Remove deprecated command (#380)

Gcommit is deprecated in favor of Git commit

This is the message that appear when I type ,gc in NeoVim

Author: cizordj

generate/vim_template/vimrc

@@ -315,7 +315,7 @@ noremap <Leader>v :<C-u>vsplit<CR>
 
 "" Git
 noremap <Leader>ga :Gwrite<CR>
-noremap <Leader>gc :Gcommit<CR>
+noremap <Leader>gc :Git commit --verbose<CR>
 noremap <Leader>gsh :Gpush<CR>
 noremap <Leader>gll :Gpull<CR>
 noremap <Leader>gs :Gstatus<CR>