Don't show Xml Actions group in any context

platform/platform-resources/src/META-INF/XmlActions.xml

@@ -1,7 +1,7 @@
 <component xmlns:xi="http://www.w3.org/2001/XInclude">
   <actions>
 
-    <group id="ToolsXmlGroup" popup="true">
+    <group id="ToolsXmlGroup" popup="true" class="com.intellij.xml.actions.XmlActionsGroup">
       <action id="ValidateXml" class="com.intellij.xml.actions.ValidateXmlAction"/>
       <action id="GenerateDTD" class="com.intellij.codeInsight.actions.GenerateDTDAction"/>
       <action id="XSD2Document" class="com.intellij.xml.actions.xmlbeans.GenerateSchemaFromInstanceDocumentAction" text="Generate XSD schema from XML file"/>

xml/impl/src/com/intellij/xml/actions/XmlActionsGroup.java

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2000-2011 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.
+ */
+package com.intellij.xml.actions;
+
+import com.intellij.openapi.actionSystem.ActionGroupUtil;
+import com.intellij.openapi.actionSystem.AnActionEvent;
+import com.intellij.openapi.actionSystem.DefaultActionGroup;
+
+/**
+ * @author Konstantin Bulenkov
+ */
+public class XmlActionsGroup extends DefaultActionGroup {
+  public XmlActionsGroup() {
+    super();
+    getTemplatePresentation().setText("XML Actions");
+  }
+
+  @Override
+  public void update(AnActionEvent e) {
+    e.getPresentation().setVisible(!ActionGroupUtil.isGroupEmpty(this, e));
+  }
+}