remove bootstrap.js only use it's css
Squashed 'static/' changes from a6fb83c..fe6737d

fe6737d edit

git-subtree-dir: static
git-subtree-split: fe6737d0102d06e1d083485924d5d42282d06c12
Merge commit 'c96548f13b2157cbb0cb8292da0ee2f983c8ef3b'