Remove absolute path to bundle

Author: axilleas

install/centos/README.md

@@ -483,7 +483,7 @@ Make sure to edit both `gitlab.yml` and `unicorn.rb` to match your setup.
     cd /home/git/gitlab
 
     # For MySQL (note, the option says "without ... postgres")
-    sudo -u git -H /usr/local/bin/bundle install --deployment --without development test postgres aws
+    sudo -u git -H bundle install --deployment --without development test postgres aws
 
     # Or for PostgreSQL (note, the option says "without ... mysql")
     sudo -u git -H bundle config build.pg --with-pg-config=/usr/pgsql-9.3/bin/pg_config