wxGUI: update manual, 'display map' tool has been removed in https://trac.osgeo.org/grass/changeset/65774

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@66129 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/docs/wxGUI.html

@@ -349,20 +349,14 @@ the computational region extents.
 
 <dl>
 
-  <dt><img src="icons/show.png" alt="icon">&nbsp;
-    <em>Display map</em></dt>
-  <dd>Displays all active layers from layer tree and re-renders for display
-    any layers that have changed since the last time the display was updated, 
-    including layers added or removed.</dd>
-  
   <dt><img src="icons/layer-redraw.png" alt="icon">&nbsp;
-    <em>Re-render map</em></dt>
-  <dd>Re-renders all active layers regardless of whether they have changed
-    or not.</dd>
+    <em>Re-render display</em></dt>
+  <dd>Re-renders all active map layers regardless of whether they have changed
+    or not, see <em><a href="d.redraw.html">d.redraw</a></em>.</dd>
   
   <dt><img src="icons/erase.png" alt="icon">&nbsp;
     <em>Erase display</em></dt>
-  <dd>Erases the currently selected map display to a white background.
+  <dd>Erases the currently selected map display to a white background,
     see <em><a href="d.erase.html">d.erase</a></em>.</dd>
   
   <dt><img src="icons/pointer.png" alt="icon">&nbsp;