fix completions in indexed expression

pkg/analysis_server/lib/src/services/completion/local_declaration_visitor.dart

Index: pkg/analysis_server/lib/src/services/completion/local_declaration_visitor.dart
diff --git a/pkg/analysis_server/lib/src/services/completion/local_declaration_visitor.dart b/pkg/analysis_server/lib/src/services/completion/local_declaration_visitor.dart
index e7860abf98e31c9b68c433cf323cc958f683be49..7bfeaabdab970c287236c8618fa604ffb7e2f3e6 100644
--- a/pkg/analysis_server/lib/src/services/completion/local_declaration_visitor.dart
+++ b/pkg/analysis_server/lib/src/services/completion/local_declaration_visitor.dart
@@ -126,17 +126,6 @@ abstract class LocalDeclarationVisitor extends GeneralizingAstVisitor<bool> {
   }
 
   @override
-  bool visitExpressionStatement(ExpressionStatement node) {
-    Expression expression = node.expression;
-    if (expression is SimpleIdentifier) {
-      if (expression.end < offset) {
-        return finished;
-      }
-    }
-    return visitNode(node);
-  }
-
-  @override
   bool visitForEachStatement(ForEachStatement node) {
     SimpleIdentifier id;
     TypeName type;