fix stupid contrast deprecation test #73

colors/gruvbox.vim

@@ -65,9 +65,7 @@ if !exists('g:gruvbox_invert_indent_guides')
   let g:gruvbox_invert_indent_guides=0
 endif
 
-if !exists('g:gruvbox_contrast')
-  let g:gruvbox_contrast='medium'
-else
+if exists('g:gruvbox_contrast')
   echo 'g:gruvbox_contrast is deprecated; use g:gruvbox_contrast_light and g:gruvbox_contrast_dark instead'
 endif