Remove extraneous `3` from method name

Change-Id: I71d3cc8f96254e4f428060ecd3dead82b6d9418a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/96146
Auto-Submit: Paul Berry <paulberry@google.com>
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
diff --git a/pkg/analyzer/lib/src/generated/error_verifier.dart b/pkg/analyzer/lib/src/generated/error_verifier.dart
index 5645b59..a4feb02 100644
--- a/pkg/analyzer/lib/src/generated/error_verifier.dart
+++ b/pkg/analyzer/lib/src/generated/error_verifier.dart
@@ -1197,7 +1197,7 @@
       }
       _checkForRawTypedLiteral(node);
       _checkForImplicitDynamicTypedLiteral(node);
-      _checkForMapTypeNotAssignable3(node);
+      _checkForMapTypeNotAssignable(node);
       _checkForNonConstMapAsExpressionStatement3(node);
     } else if (node.isSet) {
       if (typeArguments != null) {
@@ -4010,7 +4010,7 @@
     }
   }
 
-  void _checkForMapTypeNotAssignable3(SetOrMapLiteral literal) {
+  void _checkForMapTypeNotAssignable(SetOrMapLiteral literal) {
     // Determine the map's key and value types. We base this on the static type
     // and not the literal's type arguments because in strong mode, the type
     // arguments may be inferred.