convert to local: restore comments once (IDEA-192268ˆ)

java/java-impl/src/com/intellij/codeInspection/varScopeCanBeNarrowed/FieldCanBeLocalInspection.java

@@ -121,8 +121,6 @@ public class FieldCanBeLocalInspection extends FieldCanBeLocalInspectionBase {
 
     @Override
     protected void beforeDelete(@NotNull Project project, @NotNull PsiField variable, @NotNull PsiElement newDeclaration) {
-      final PsiDocComment docComment = variable.getDocComment();
-      if (docComment != null) moveDocCommentToDeclaration(project, docComment, newDeclaration);
     }
 
     @NotNull

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/convert2Local/afterInSwitchCases.java

@@ -3,6 +3,9 @@ class TestFieldConversion
 {
 
     public void someMethod(int s) {
+        /**
+         * doc1
+         */
         int someInt = 0;
         switch (s) {
       case 1:

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/convert2Local/beforeInSwitchCases.java

@@ -1,6 +1,9 @@
 // "Convert to local" "true"
 class TestFieldConversion
 {
+  /**
+   * doc1
+   */
   private int som<caret>eInt = 0;
 
   public void someMethod(int s) {