[plugin] Commented unused plugins configuration

Change-Id: Ife3658b2977289071394220b9bdce2d8da86303a
[config] Re-enabled partially aucmd in .vimrc

Just for removing trailling spaces

Change-Id: Iba431811159caa99908404ecabb880187c85b8d0
[config] Re-enabled vim-easymotion

Change-Id: I4f4dbbd6e7cff3ae85f783589c1984a2c6884227