Revert "Check Xcode build setting FULL_PRODUCT_NAME for the name of the built app during flutter run (#47266)" (#47568)

This reverts commit 648a5d8a1ebbe95a6f0fa1c41ed34195c11c4d64.
diff --git a/packages/flutter_tools/lib/src/ios/simulators.dart b/packages/flutter_tools/lib/src/ios/simulators.dart
index fe6b6ad..7f24d01 100644
--- a/packages/flutter_tools/lib/src/ios/simulators.dart
+++ b/packages/flutter_tools/lib/src/ios/simulators.dart
@@ -622,8 +622,9 @@
   }
 
   // Match the log prefix (in order to shorten it):
-  // * Xcode 9: 2017-09-13 15:26:57.228948-0700  localhost My App[37195]: (Flutter) Observatory listening on http://127.0.0.1:57701/
-  static final RegExp _mapRegex = RegExp(r'\S+ +\S+ +(?:\S+) (.+?(?=\[))\[\d+\]\)?: (\(.*?\))? *(.*)$');
+  // * Xcode 8: Sep 13 15:28:51 cbracken-macpro localhost Runner[37195]: (Flutter) Observatory listening on http://127.0.0.1:57701/
+  // * Xcode 9: 2017-09-13 15:26:57.228948-0700  localhost Runner[37195]: (Flutter) Observatory listening on http://127.0.0.1:57701/
+  static final RegExp _mapRegex = RegExp(r'\S+ +\S+ +\S+ +(\S+ +)?(\S+)\[\d+\]\)?: (\(.*?\))? *(.*)$');
 
   // Jan 31 19:23:28 --- last message repeated 1 time ---
   static final RegExp _lastMessageSingleRegex = RegExp(r'\S+ +\S+ +\S+ --- last message repeated 1 time ---$');
@@ -634,9 +635,9 @@
   String _filterDeviceLine(String string) {
     final Match match = _mapRegex.matchAsPrefix(string);
     if (match != null) {
-      final String category = match.group(1);
-      final String tag = match.group(2);
-      final String content = match.group(3);
+      final String category = match.group(2);
+      final String tag = match.group(3);
+      final String content = match.group(4);
 
       // Filter out non-Flutter originated noise from the engine.
       if (_appName != null && category != _appName) {