Revert "Add support for generic function type syntax, part 1" (TBR)

pkg/analysis_server/test/services/completion/dart/local_declaration_visitor_test.dart

Index: pkg/analysis_server/test/services/completion/dart/local_declaration_visitor_test.dart
diff --git a/pkg/analysis_server/test/services/completion/dart/local_declaration_visitor_test.dart b/pkg/analysis_server/test/services/completion/dart/local_declaration_visitor_test.dart
index 4e4e7271f223795c0c87d2be1588de211074aaf5..fe3456d0cebae2ad41fe915c44571c4f55f68077 100644
--- a/pkg/analysis_server/test/services/completion/dart/local_declaration_visitor_test.dart
+++ b/pkg/analysis_server/test/services/completion/dart/local_declaration_visitor_test.dart
@@ -73,7 +73,7 @@ class TestVisitor extends LocalDeclarationVisitor {
   void declaredLabel(Label label, bool isCaseLabel) {}
 
   @override
-  void declaredLocalVar(SimpleIdentifier name, TypeAnnotation type) {
+  void declaredLocalVar(SimpleIdentifier name, TypeName type) {
     expect(name, isNotNull);
   }
 
@@ -81,7 +81,7 @@ class TestVisitor extends LocalDeclarationVisitor {
   void declaredMethod(MethodDeclaration declaration) {}
 
   @override
-  void declaredParam(SimpleIdentifier name, TypeAnnotation type) {}
+  void declaredParam(SimpleIdentifier name, TypeName type) {}
 
   @override
   void declaredTopLevelVar(