vim: change mappings and remove YCM

pkg-configuration/vim-derivates/commonrc.nix

@@ -4,7 +4,11 @@ set nocompatible
 set mouse=
 
 " leader
-let mapleader = ','
+let mapleader = '\'
+
+" save on ctrl-s
+nnoremap <c-s> :w<CR>
+inoremap <c-s> <Esc>:w<CR>
 
 set hidden
 syntax on
@@ -18,6 +22,10 @@ imap lll <ESC>
 imap hhh <ESC>
 set scroll=11
 
+" new mappings
+noremap <C-j> <C-f>
+noremap <C-k> <C-u>
+
 noremap <C-n> :tabn<CR>
 noremap <C-p> :tabp<CR>
 let g:ctrlp_map = '<tab>'

pkg-configuration/vim-derivates/vim.nix

@@ -24,7 +24,7 @@ pkgs.vim_configurable.customize {
       "vim-colorschemes"
       "vim-colorstepper"
       "vim-signify"
-      "youcompleteme"
+#      "youcompleteme"
     ] ++ additionalPlugins;
   }];
 }