wxGUI/docs: clarify misleading text about removing/renaming layers (merge from trunk, 62573)

git-svn-id: https://svn.osgeo.org/grass/grass/branches/releasebranch_7_0@62574 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/docs/wxGUI.html

@@ -104,7 +104,7 @@ sessions, restoring all layers and their display options.
 <p>
 A right mouse click on a layer or left clicking the button to the right of 
 the layer opens a dropdown menu with options to remove or rename the layer 
-(g.remove, g.rename), change its display properties (d.rast and d.vect 
+(not the actual map), change its display properties (d.rast and d.vect 
 options such as color, symbol, etc.), show its metadata (r.info, v.info) or 
 attributes, if applicable.
 <p>