Remove old instrumentation

pkg/analysis_server/lib/src/services/refactoring/rename.dart

Index: pkg/analysis_server/lib/src/services/refactoring/rename.dart
diff --git a/pkg/analysis_server/lib/src/services/refactoring/rename.dart b/pkg/analysis_server/lib/src/services/refactoring/rename.dart
index e07edb62030da4691128b2b698ff915eef1e63cb..746a8d6265d4eecd0a50157b91881cf517947f14 100644
--- a/pkg/analysis_server/lib/src/services/refactoring/rename.dart
+++ b/pkg/analysis_server/lib/src/services/refactoring/rename.dart
@@ -57,14 +57,7 @@ bool isDefinedInLibrary(Element element, AnalysisContext context, Source source)
  * Checks if the given [Element] is in the given [AnalysisContext].
  */
 bool isInContext(Element element, AnalysisContext context) {
-  AnalysisContext elementContext = element.context;
-  if (elementContext == context) {
-    return true;
-  }
-  if (context is InstrumentedAnalysisContextImpl) {
-    return elementContext == context.basis;
-  }
-  return false;
+  return element.context == context;
 }