Removed ctrl-b binding from tmux and added shortcut for it in vim

.tmux.conf

@@ -16,9 +16,6 @@ setw -g xterm-keys on
 set -s escape-time 10                     # faster command sequences
 set -s focus-events on
 
-set -g prefix2 C-a                        # GNU-Screen compatible prefix
-bind C-a send-prefix -2
-
 set -q -g status-utf8 on                  # expect UTF-8 (tmux < 2.2)
 setw -q -g utf8 on
 

.tmux.conf.local

@@ -257,7 +257,7 @@ set -g status-keys vi
 set -g mode-keys vi
 
 # replace C-b by C-a instead of using both prefixes
-#set -gu prefix2
+set -gu prefix2
 unbind C-a
 unbind C-b
 set -g prefix C-a

.vimrc

@@ -33,13 +33,13 @@ else
 
   " Automatically start language servers.
   let g:LanguageClient_autoStart = 1
- let g:LanguageClient_rootMarkers = [
- \ '.git'
- \ 'default.nix',
- \ 'package-lib.yaml',
- \ '*.cabal',
- \ 'stack.yaml',
- \ ]
+"let g:LanguageClient_rootMarkers = [
+"\ '.git'
+"\ 'default.nix',
+"\ 'package-lib.yaml',
+"\ '*.cabal',
+"\ 'stack.yaml',
+"\ ]
   let g:LanguageClient_serverCommands = {
     \ 'javascript' : ['node','~/.npm-global/lib/node_modules/javascript-typescript-langserver/lib/language-server-stdio','-l','/tmp/jsls.log'],
     \ 'python': ['pyls','--log-file','/tmp/pyls.log'],