i.group: simplification of module description

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@48902 15284696-431f-4ddb-bdfa-cd5b030d7da7

imagery/i.group/main.c

@@ -52,7 +52,7 @@ int main(int argc, char *argv[])
     G_add_keyword(_("imagery"));
     G_add_keyword(_("map management"));
     module->description =
-	_("Creates, edits, and lists groups and subgroups of imagery data.");
+	_("Creates, edits, and lists groups of imagery data.");
 
     /* Get Args */
     grp = G_define_standard_option(G_OPT_I_GROUP);