[vimrc] disabled modelines, removed shiftwith

.vimrc

@@ -40,21 +40,18 @@ let g:airline_solarized_bg='dark'
 let g:airline#extensions#tabline#enabled = 1
 let g:ycm_autoclose_preview_window_after_completion = 1
 let g:gutentags_cache_dir = '~/.cache/gutentags'
-"set autoindent
 set encoding=utf-8
 set icon
-"set smartindent
 set smartcase
 set spelllang=de,en
 set softtabstop=4
 set tabstop=4
-set shiftwidth=4
 set nowrap
 set number
 set foldmethod=indent
 set foldnestmax=10
 set nofoldenable
-set modeline
+set nomodeline
 set ruler
 set listchars=eol:¶,tab:\»\ ,trail:~,extends:>,precedes:<
 set list