Issue 23337. Quick Fix for removing dead code.

pkg/analysis_server/lib/src/services/correction/fix.dart

Index: pkg/analysis_server/lib/src/services/correction/fix.dart
diff --git a/pkg/analysis_server/lib/src/services/correction/fix.dart b/pkg/analysis_server/lib/src/services/correction/fix.dart
index 6ffe43e59b7c69fccdcbb54386297a71dd978faa..3de01d37868c216f82cee30bfa317c3e6f4df639 100644
--- a/pkg/analysis_server/lib/src/services/correction/fix.dart
+++ b/pkg/analysis_server/lib/src/services/correction/fix.dart
@@ -88,6 +88,8 @@ class DartFixKind {
       const FixKind('INSERT_SEMICOLON', 50, "Insert ';'");
   static const MAKE_CLASS_ABSTRACT =
       const FixKind('MAKE_CLASS_ABSTRACT', 50, "Make class '{0}' abstract");
+  static const REMOVE_DEAD_CODE =
+      const FixKind('REMOVE_DEAD_CODE', 50, "Remove dead code");
   static const REMOVE_PARAMETERS_IN_GETTER_DECLARATION = const FixKind(
       'REMOVE_PARAMETERS_IN_GETTER_DECLARATION', 50,
       "Remove parameters in getter declaration");