vim - remove vimshell, tweak youcompleteme

vim/vimrc

@@ -17,7 +17,6 @@ Plugin 'kien/ctrlp.vim'
 Plugin 'bling/vim-airline'
 Plugin 'scrooloose/nerdtree'
 Plugin 'Shougo/vimproc.vim'
-Plugin 'Shougo/vimshell.vim'
 Plugin 'tpope/vim-markdown'
 Plugin 'altercation/vim-colors-solarized'
 Plugin 'Valloric/YouCompleteMe'
@@ -47,9 +46,7 @@ let g:airline_powerline_fonts=1
 let g:ycm_global_ycm_extra_conf = '~/.vim/ycm_extra_conf.py'
 let g:ycm_server_keep_logfiles = 1
 let g:ycm_server_log_level = 'debug'
-
-" Configuring VimShell
-noremap <C-s> :VimShell -split<CR>
+set completeopt=menu
 
 " Loading Solarized
 set t_Co=256