remove extra lines from https://trac.osgeo.org/grass/changeset/64151

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@64153 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/init/variables.html

@@ -291,9 +291,7 @@ PERMANENT
 
   <dt>GRASS_WXVERSION</dt>
   <dd>[wxGUI]<br>
-    
     set to tell wxGUI which version of wxPython to use.<br>
-
     When set, the wxGUI will select the given wxPython version. It's
     useful when multiple versions of wxPython are installed and the
     user wants to run wxGUI with non-default wxPython version.</dd>