Revert "submodules commit"

This reverts commit e76bf45787871fd2b12f2ed3576c7d6d758beeac.

	modified:   .gitmodules
	deleted:    vimconfig/vim/bundle/gundo
	deleted:    vimconfig/vim/bundle/nerdtree
	deleted:    vimconfig/vim/bundle/rake
	deleted:    vimconfig/vim/bundle/vim-rails