remove deprecated testing members (#24115)

diff --git a/packages/flutter_test/lib/src/matchers.dart b/packages/flutter_test/lib/src/matchers.dart
index 9acee7d..69659a1 100644
--- a/packages/flutter_test/lib/src/matchers.dart
+++ b/packages/flutter_test/lib/src/matchers.dart
@@ -509,169 +509,6 @@
   );
 }
 
-/// DEPRECATED: use [matchesSemantics] instead.
-@Deprecated('use matchesSemantics instead')
-Matcher matchesSemanticsData({
-  String label,
-  String hint,
-  String value,
-  String increasedValue,
-  String decreasedValue,
-  TextDirection textDirection,
-  Rect rect,
-  Size size,
-  // Flags //
-  bool hasCheckedState = false,
-  bool isChecked = false,
-  bool isSelected = false,
-  bool isButton = false,
-  bool isFocused = false,
-  bool isTextField = false,
-  bool hasEnabledState = false,
-  bool isEnabled = false,
-  bool isInMutuallyExclusiveGroup = false,
-  bool isHeader = false,
-  bool isObscured = false,
-  bool namesRoute = false,
-  bool scopesRoute = false,
-  bool isHidden = false,
-  bool isImage = false,
-  bool isLiveRegion = false,
-  bool hasToggledState = false,
-  bool isToggled = false,
-  bool hasImplicitScrolling = false,
-  // Actions //
-  bool hasTapAction = false,
-  bool hasLongPressAction = false,
-  bool hasScrollLeftAction = false,
-  bool hasScrollRightAction = false,
-  bool hasScrollUpAction = false,
-  bool hasScrollDownAction = false,
-  bool hasIncreaseAction = false,
-  bool hasDecreaseAction = false,
-  bool hasShowOnScreenAction = false,
-  bool hasMoveCursorForwardByCharacterAction = false,
-  bool hasMoveCursorBackwardByCharacterAction = false,
-  bool hasMoveCursorForwardByWordAction = false,
-  bool hasMoveCursorBackwardByWordAction = false,
-  bool hasSetSelectionAction = false,
-  bool hasCopyAction = false,
-  bool hasCutAction = false,
-  bool hasPasteAction = false,
-  bool hasDidGainAccessibilityFocusAction = false,
-  bool hasDidLoseAccessibilityFocusAction = false,
-  bool hasDismissAction = false,
-  // Custom actions and overrides
-  String onTapHint,
-  String onLongPressHint,
-  List<CustomSemanticsAction> customActions,
-}) {
-    final List<SemanticsFlag> flags = <SemanticsFlag>[];
-  if (hasCheckedState)
-    flags.add(SemanticsFlag.hasCheckedState);
-  if (isChecked)
-    flags.add(SemanticsFlag.isChecked);
-  if (isSelected)
-    flags.add(SemanticsFlag.isSelected);
-  if (isButton)
-    flags.add(SemanticsFlag.isButton);
-  if (isTextField)
-    flags.add(SemanticsFlag.isTextField);
-  if (isFocused)
-    flags.add(SemanticsFlag.isFocused);
-  if (hasEnabledState)
-    flags.add(SemanticsFlag.hasEnabledState);
-  if (isEnabled)
-    flags.add(SemanticsFlag.isEnabled);
-  if (isInMutuallyExclusiveGroup)
-    flags.add(SemanticsFlag.isInMutuallyExclusiveGroup);
-  if (isHeader)
-    flags.add(SemanticsFlag.isHeader);
-  if (isObscured)
-    flags.add(SemanticsFlag.isObscured);
-  if (namesRoute)
-    flags.add(SemanticsFlag.namesRoute);
-  if (scopesRoute)
-    flags.add(SemanticsFlag.scopesRoute);
-  if (isHidden)
-    flags.add(SemanticsFlag.isHidden);
-  if (isImage)
-    flags.add(SemanticsFlag.isImage);
-  if (isLiveRegion)
-    flags.add(SemanticsFlag.isLiveRegion);
-  if (hasToggledState)
-    flags.add(SemanticsFlag.hasToggledState);
-  if (isToggled)
-    flags.add(SemanticsFlag.isToggled);
-  if (hasImplicitScrolling)
-    flags.add(SemanticsFlag.hasImplicitScrolling);
-
-  final List<SemanticsAction> actions = <SemanticsAction>[];
-  if (hasTapAction)
-    actions.add(SemanticsAction.tap);
-  if (hasLongPressAction)
-    actions.add(SemanticsAction.longPress);
-  if (hasScrollLeftAction)
-    actions.add(SemanticsAction.scrollLeft);
-  if (hasScrollRightAction)
-    actions.add(SemanticsAction.scrollRight);
-  if (hasScrollUpAction)
-    actions.add(SemanticsAction.scrollUp);
-  if (hasScrollDownAction)
-    actions.add(SemanticsAction.scrollDown);
-  if (hasIncreaseAction)
-    actions.add(SemanticsAction.increase);
-  if (hasDecreaseAction)
-    actions.add(SemanticsAction.decrease);
-  if (hasShowOnScreenAction)
-    actions.add(SemanticsAction.showOnScreen);
-  if (hasMoveCursorForwardByCharacterAction)
-    actions.add(SemanticsAction.moveCursorForwardByCharacter);
-  if (hasMoveCursorBackwardByCharacterAction)
-    actions.add(SemanticsAction.moveCursorBackwardByCharacter);
-  if (hasSetSelectionAction)
-    actions.add(SemanticsAction.setSelection);
-  if (hasCopyAction)
-    actions.add(SemanticsAction.copy);
-  if (hasCutAction)
-    actions.add(SemanticsAction.cut);
-  if (hasPasteAction)
-    actions.add(SemanticsAction.paste);
-  if (hasDidGainAccessibilityFocusAction)
-    actions.add(SemanticsAction.didGainAccessibilityFocus);
-  if (hasDidLoseAccessibilityFocusAction)
-    actions.add(SemanticsAction.didLoseAccessibilityFocus);
-  if (customActions != null && customActions.isNotEmpty)
-    actions.add(SemanticsAction.customAction);
-  if (hasDismissAction)
-    actions.add(SemanticsAction.dismiss);
-  if (hasMoveCursorForwardByWordAction)
-    actions.add(SemanticsAction.moveCursorForwardByWord);
-  if (hasMoveCursorBackwardByWordAction)
-    actions.add(SemanticsAction.moveCursorBackwardByWord);
-  SemanticsHintOverrides hintOverrides;
-  if (onTapHint != null || onLongPressHint != null)
-    hintOverrides = SemanticsHintOverrides(
-      onTapHint: onTapHint,
-      onLongPressHint: onLongPressHint,
-    );
-
-  return _MatchesSemanticsData(
-    label: label,
-    hint: hint,
-    value: value,
-    increasedValue: increasedValue,
-    decreasedValue: decreasedValue,
-    actions: actions,
-    flags: flags,
-    textDirection: textDirection,
-    rect: rect,
-    size: size,
-    customActions: customActions,
-    hintOverrides: hintOverrides,
-  );
-}
-
 /// Asserts that the currently rendered widget meets the provided accessibility
 /// `guideline`.
 ///
diff --git a/packages/flutter_test/lib/src/widget_tester.dart b/packages/flutter_test/lib/src/widget_tester.dart
index aec0483..ef584aa 100644
--- a/packages/flutter_test/lib/src/widget_tester.dart
+++ b/packages/flutter_test/lib/src/widget_tester.dart
@@ -647,30 +647,6 @@
     return result;
   }
 
-  /// DEPRECATED: use [getSemantics] instead.
-  @Deprecated('use getSemantics instead')
-  SemanticsData getSemanticsData(Finder finder) {
-    if (binding.pipelineOwner.semanticsOwner == null)
-      throw StateError('Semantics are not enabled.');
-    final Iterable<Element> candidates = finder.evaluate();
-    if (candidates.isEmpty) {
-      throw StateError('Finder returned no matching elements.');
-    }
-    if (candidates.length > 1) {
-      throw StateError('Finder returned more than one element.');
-    }
-    final Element element = candidates.single;
-    RenderObject renderObject = element.findRenderObject();
-    SemanticsNode result = renderObject.debugSemantics;
-    while (renderObject != null && result == null) {
-      renderObject = renderObject?.parent;
-      result = renderObject?.debugSemantics;
-    }
-    if (result == null)
-      throw StateError('No Semantics data found.');
-    return result.getSemanticsData();
-  }
-
   /// Enable semantics in a test by creating a [SemanticsHandle].
   ///
   /// The handle must be disposed at the end of the test.