Revert "Add color def for FZF vim"

This reverts commit 7e5928c12a.

pkgs/vim/default.nix

@@ -292,23 +292,6 @@ let
         autocmd User lsp_buffer_enabled call s:on_lsp_buffer_enabled()
       augroup END
 
-      " Customize fzf colors to match your color scheme
-      " - fzf#wrap translates this to a set of `--color` options
-      let g:fzf_colors =
-      \ { 'fg':      ['fg', 'Normal'],
-        \ 'bg':      ['bg', 'Normal'],
-        \ 'hl':      ['fg', 'Comment'],
-        \ 'fg+':     ['fg', 'CursorLine', 'CursorColumn', 'Normal'],
-        \ 'bg+':     ['bg', 'CursorLine', 'CursorColumn'],
-        \ 'hl+':     ['fg', 'Statement'],
-        \ 'info':    ['fg', 'PreProc'],
-        \ 'border':  ['fg', 'Ignore'],
-        \ 'prompt':  ['fg', 'Conditional'],
-        \ 'pointer': ['fg', 'Exception'],
-        \ 'marker':  ['fg', 'Keyword'],
-        \ 'spinner': ['fg', 'Label'],
-        \ 'header':  ['fg', 'Comment'] }
-
       " Extra options
       ${extraOptions}
     '';