Kill everything but the bare minimum

https://31.media.tumblr.com/c6a7634393824700a8694bd7f710946c/tumblr_inline_n3yeafKKvC1rvon2g.gif

Change-Id: I56a36890bf43e5225853fa2e6b32202877a031e1
Add explanation to README

Change-Id: I88b92fd5608a9e1e9fd4b5da4544acf181670764