r.in.wms: move method option to optional tab

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@57026 15284696-431f-4ddb-bdfa-cd5b030d7da7

scripts/r.in.wms/r.in.wms.py

@@ -127,7 +127,7 @@ This program is free software under the GNU General Public License
 #% description: Interpolation method to use in reprojection
 #% options:nearest,linear,cubic,cubicspline
 #% answer:nearest
-#% guisection: Request
+#% required: no
 #%end
 
 #%option