Remove session keymaps, update README

README

@@ -1,4 +1,9 @@
 VIM configs
+-----------
+
+Installation instructions:
+
+    clone to ~/.vim
+    link ~/.vim/vimrc to ~/.vimrc
+    run git submodule update --init --recursive
 
-clone to ~/.vim
-link ~/.vim/vimrc to ~/.vimrc

vimrc

@@ -24,11 +24,6 @@ if has("gui_running")
   set go=aegitt
   set co=115
   set lines=40
-  " Map Alt-keys for fontsize
-  nmap <M-+> <Plug>FontsizeInc
-  nmap <M-=> <Plug>FontsizeInc
-  nmap <M--> <Plug>FontsizeDec
-  nmap <M-0> <Plug>FontsizeDefault
   " GUI only color scheme
   colorscheme mayansmoke
 endif