remove non-existent THIS_ACCESS_FROM_FIELD_INITIALIZER analyzerCode reference

See: #56442

Change-Id: Ifa931c56fe710317d3bbf995f8354ca488711735
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/380884
Auto-Submit: Phil Quitslund <[email protected]>
Reviewed-by: Johnni Winther <[email protected]>
Commit-Queue: Johnni Winther <[email protected]>

Author: pq

pkg/_fe_analyzer_shared/lib/src/messages/codes_generated.dart

@@ -16256,7 +16256,6 @@ const Template<Message Function(String name)>
 const Code<Message Function(String name)> codeThisAccessInFieldInitializer =
     const Code<Message Function(String name)>(
   "ThisAccessInFieldInitializer",
-  analyzerCodes: <String>["THIS_ACCESS_FROM_FIELD_INITIALIZER"],
 );
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.

pkg/front_end/messages.status

@@ -1018,6 +1018,7 @@ SwitchExpressionNotSubtype/analyzerCode: Fail
 SwitchExpressionUserDefinedEquals/analyzerCode: Fail
 SwitchExpressionUserDefinedEquals/example: Fail
 SyntheticToken/example: Fail # Can't be tested, used to recover from other errors.
+ThisAccessInFieldInitializer/analyzerCode: Fail
 ThisAccessInFieldInitializer/example: Fail
 ThisAsIdentifier/example: Fail
 ThisInNullAwareReceiver/analyzerCode: Fail

pkg/front_end/messages.yaml

@@ -3640,7 +3640,6 @@ InvalidThisInInitializer:
 
 ThisAccessInFieldInitializer:
   problemMessage: "Can't access 'this' in a field initializer to read '#name'."
-  analyzerCode: THIS_ACCESS_FROM_FIELD_INITIALIZER
 
 ThisOrSuperAccessInFieldInitializer:
   problemMessage: "Can't access '#string' in a field initializer."