re-re-enable lint unnecessary_const (#20103)

diff --git a/packages/flutter_tools/lib/src/build_info.dart b/packages/flutter_tools/lib/src/build_info.dart
index 1c3a969..4f463f3 100644
--- a/packages/flutter_tools/lib/src/build_info.dart
+++ b/packages/flutter_tools/lib/src/build_info.dart
@@ -71,9 +71,9 @@
   /// On Xcode builds it is used as CFBundleShortVersionString,
   final String buildName;
 
-  static const BuildInfo debug = const BuildInfo(BuildMode.debug, null);
-  static const BuildInfo profile = const BuildInfo(BuildMode.profile, null);
-  static const BuildInfo release = const BuildInfo(BuildMode.release, null);
+  static const BuildInfo debug = BuildInfo(BuildMode.debug, null);
+  static const BuildInfo profile = BuildInfo(BuildMode.profile, null);
+  static const BuildInfo release = BuildInfo(BuildMode.release, null);
 
   /// Returns whether a debug build is requested.
   ///
@@ -174,7 +174,7 @@
 }
 
 /// The default set of iOS device architectures to build for.
-const List<IOSArch> defaultIOSArchs = const <IOSArch>[
+const List<IOSArch> defaultIOSArchs = <IOSArch>[
   IOSArch.arm64,
 ];