wxGUI: remove extra separators between g.copy/rename/remove

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@62597 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/xml/toolboxes.xml

@@ -496,15 +496,12 @@
       <module-item name="g.copy">
         <label>Copy</label>
       </module-item>
-      <separator/>
       <module-item name="g.list">
         <label>List</label>
       </module-item>
-      <separator/>
       <module-item name="g.rename">
         <label>Rename</label>
       </module-item>
-      <separator/>
       <module-item name="g.remove">
         <label>Delete</label>
       </module-item>