Disable colorscheme by default

autoload/SpaceVim.vim

@@ -281,7 +281,6 @@ let g:spacevim_info_symbol             = SpaceVim#api#import('messletters').circ
 "   set -ga terminal-overrides ',*:Ss=\E[%p1%d q:Se=\E[2 q'
 " <
 let g:spacevim_terminal_cursor_shape = 2
-let g:spacevim_use_colorscheme         = 1
 ""
 " Set the help language of vim. Default is 'en'. 
 " You can change it to Chinese.
@@ -627,10 +626,6 @@ function! SpaceVim#end() abort
   elseif g:spacevim_vim_help_language ==# 'ja'
     call SpaceVim#layers#load('japanese')
   endif
-  if g:spacevim_use_colorscheme==1
-    call SpaceVim#layers#load('colorscheme')
-  endif
-
   ""
   " generate tags for SpaceVim
   let help = fnamemodify(g:_spacevim_root_dir, ':p:h:h') . '/doc'

autoload/SpaceVim/layers/colorscheme.vim

@@ -149,7 +149,6 @@
 
 function! SpaceVim#layers#colorscheme#plugins() abort
     return [
-                \ ['morhetz/gruvbox', {'loadconf' : 1, 'merged' : 0}],
                 \ ['kristijanhusak/vim-hybrid-material', { 'merged' : 0 }],
                 \ ['altercation/vim-colors-solarized', { 'merged' : 0 }],
                 \ ['nanotech/jellybeans.vim', { 'merged' : 0 }],

autoload/SpaceVim/layers/core.vim

@@ -21,6 +21,7 @@ function! SpaceVim#layers#core#plugins() abort
   call add(plugins, ['rhysd/clever-f.vim'])
 
   call add(plugins, ['andymass/vim-matchup'])
+  call add(plugins, ['morhetz/gruvbox', {'loadconf' : 1, 'merged' : 0}])
 
   return plugins
 endfunction