Back out ignore quick-fix.

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

Index: pkg/analysis_server/lib/src/services/correction/fix_internal.dart
diff --git a/pkg/analysis_server/lib/src/services/correction/fix_internal.dart b/pkg/analysis_server/lib/src/services/correction/fix_internal.dart
index 65a2b37cda1fc72e2e7a2c2a2bd70dce75e001f8..3fdd5f9a3db8a3b7a43e2afc1012365455acbf5e 100644
--- a/pkg/analysis_server/lib/src/services/correction/fix_internal.dart
+++ b/pkg/analysis_server/lib/src/services/correction/fix_internal.dart
@@ -143,15 +143,6 @@ class FixProcessor {
         new NodeLocator2(errorOffset, errorEnd - 1).searchWithin(unit);
     // analyze ErrorCode
     ErrorCode errorCode = error.errorCode;
-    // add ignore fix for ignorable errors.
-    // note that this fix needs to be added before fixes that side-effect
-    // the utils instance.
-    if (errorCode is StaticWarningCode ||
-        errorCode is StaticTypeWarningCode ||
-        errorCode is HintCode ||
-        errorCode is LintCode) {
-      _addFix_ignore(errorCode);
-    }
     if (errorCode == StaticWarningCode.UNDEFINED_CLASS_BOOLEAN) {
       _addFix_boolInsteadOfBoolean();
     }
@@ -1392,18 +1383,6 @@ class FixProcessor {
     }
   }
 
-  void _addFix_ignore(ErrorCode errorCode) {
-    int offset = node.offset;
-    int lineOffset = utils.getLineThis(offset);
-
-    exitPosition = new Position(file, lineOffset - 1);
-    String indent = utils.getLinePrefix(offset);
-    String errorCodeName = errorCode.name.toLowerCase();
-    String content = '$indent//ignore: $errorCodeName$eol';
-    _addReplaceEdit(rf.rangeStartLength(lineOffset, 0), content);
-    _addFix(DartFixKind.IGNORE_ERROR, [errorCodeName]);
-  }
-
   void _addFix_illegalAsyncReturnType() {
     // prepare the existing type
     TypeName typeName = node.getAncestor((n) => n is TypeName);