Remove the Install Client Library id from the gct menu group in plugin.xml.

Change-Id: Ia89c08782fcc7f1d05e9c1b3bce9dbdb44756364
diff --git a/src/META-INF/plugin.xml b/src/META-INF/plugin.xml
index ecba450..771cf17 100644
--- a/src/META-INF/plugin.xml
+++ b/src/META-INF/plugin.xml
@@ -119,7 +119,6 @@
            description="Endpoints Actions"
            popup="true"
            icon="/icons/cloudPlatform.png">
-      <reference id="GoogleCloudTools.InstallClientLibraries"/>
       <reference id="GoogleCloudTools.GenerateEndpoint"/>
       <add-to-group group-id="ToolsMenu" anchor="last"/>
     </group>