temp remove lua-mode
Squashed 'packages/lua-mode/' content from commit 3eac26a

git-subtree-dir: packages/lua-mode
git-subtree-split: 3eac26abb4b6c4d83c589381dea6645c36c942f8
Merge commit 'b85f69c8953f3c2bfd424932e8bf90b662088cf7' as 'packages/lua-mode'
disable tabbar