modified submodules

Signed-off-by: yxy <yan5yang@gmail.com>
remove commnd t

Signed-off-by: yxy <yan5yang@gmail.com>
remove .vim/bundle/vim-gitgutter index

Signed-off-by: yxy <yan5yang@gmail.com>
更新vim新的bundle

Signed-off-by: yxy <yan5yang@gmail.com>