remove submodule
Squashed 'public/AdminLTE/' content from commit 3395b8b

git-subtree-dir: public/AdminLTE
git-subtree-split: 3395b8b18b397a1de158b05232822aabf8145e1d
Merge commit 'fd1875e779fdb706e6e3d3afc99efa13118f3f47' as 'public/AdminLTE'