Code clean-up

pkg/analyzer/lib/src/generated/error_verifier.dart

Index: pkg/analyzer/lib/src/generated/error_verifier.dart
diff --git a/pkg/analyzer/lib/src/generated/error_verifier.dart b/pkg/analyzer/lib/src/generated/error_verifier.dart
index f85c6fd060c12fc64155b9eb9b88340053d59253..53a3ed5b16b2523fa0bdccac890417428fcc4c27 100644
--- a/pkg/analyzer/lib/src/generated/error_verifier.dart
+++ b/pkg/analyzer/lib/src/generated/error_verifier.dart
@@ -13,7 +13,6 @@ import 'package:analyzer/dart/ast/visitor.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/dart/element/type.dart';
 import 'package:analyzer/dart/element/visitor.dart';
-import 'package:analyzer/src/dart/ast/token.dart';
 import 'package:analyzer/src/dart/ast/utilities.dart';
 import 'package:analyzer/src/dart/element/element.dart';
 import 'package:analyzer/src/dart/element/member.dart';
@@ -5704,12 +5703,6 @@ class ErrorVerifier extends RecursiveAstVisitor<Object> {
     return false;
   }
 
-  bool _expressionIsAssignable(
-      Expression expression, DartType expectedStaticType) {
-    return _expressionIsAssignableAtType(
-        expression, getStaticType(expression), expectedStaticType);
-  }
-
   bool _expressionIsAssignableAtType(Expression expression,
       DartType actualStaticType, DartType expectedStaticType) {
     bool concrete =