remove unneeded code (seems to be excessive after commit 99b53ca0)

platform/platform-impl/src/com/intellij/openapi/fileEditor/impl/text/TextEditorComponent.java

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2017 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+// Copyright 2000-2017 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 package com.intellij.openapi.fileEditor.impl.text;
 
 import com.intellij.openapi.Disposable;
@@ -32,7 +18,6 @@ import com.intellij.openapi.editor.impl.EditorImpl;
 import com.intellij.openapi.fileEditor.FileDocumentManager;
 import com.intellij.openapi.fileEditor.FileEditor;
 import com.intellij.openapi.fileEditor.FileEditorManager;
-import com.intellij.openapi.fileEditor.impl.EditorHistoryManager;
 import com.intellij.openapi.fileTypes.FileTypeEvent;
 import com.intellij.openapi.fileTypes.FileTypeListener;
 import com.intellij.openapi.fileTypes.FileTypeManager;
@@ -125,16 +110,8 @@ class TextEditorComponent extends JBLoadingPanel implements DataProvider, Dispos
    */
   @Override
   public void dispose(){
-    if (!myProject.isDefault()) { // There's no EditorHistoryManager for default project (which is used in diff command-line application)
-      EditorHistoryManager.getInstance(myProject).updateHistoryEntry(myFile, false);
-    }
     disposeEditor();
-
     myDisposed = true;
-    //myFocusWatcher.deinstall(this);
-    //removePropertyChangeListener(mySplitterPropertyChangeListener);
-
-    //super.dispose();
   }
 
   public boolean isDisposed() {