yinsyim

sudo apt-get remove --purge vim vim-runtime vim-gnome vim-tiny vim-common vim-gui-common
sudo apt-get build-dep vim-gnome
sudo apt-get install build-essential liblua5.3-0 liblua5.3-dev python-dev ruby-dev libperl-dev libncurses5-dev libgnome2-dev libgnomeui-dev libgtk2.0-dev libatk1.0-dev libbonoboui2-dev libcairo2-dev libx11-dev libxpm-dev libxt-dev
sudo rm -rf /usr/local/share/vim /usr/bin/vim /usr/local/bin/vim
sudo mkdir /usr/include/lua5.3/{include,lib}
sudo cp /usr/include/lua5.3/*.h /usr/include/lua5.3/include/
sudo ln -sf /usr/lib/x86_64-linux-gnu/liblua5.3.so /usr/include/lua5.3/lib/liblua.so
sudo ln -sf /usr/lib/x86_64-linux-gnu/liblua5.3.a /usr/include/lua5.3/lib/liblua.a
cd /tmp
git clone https://github.com/vim/vim.git

yinsyim

To remove a submodule you need to:

1. Delete the relevant section from the .gitmodules file.
2. Stage the .gitmodules changes git add .gitmodules
3. Delete the relevant section from .git/config.
4. Run git rm --cached path_to_submodule (no trailing slash).
5. Run rm -rf .git/modules/path_to_submodule (no trailing slash).
6. Commit git commit -m "Removed submodule "
7. Delete the now untracked submodule files rm -rf path_to_submodule