Udated YouCompleteMe instructions and removed ref from repo

.gitmodules

@@ -34,9 +34,6 @@
 [submodule "vim/bundle/vim-bufferline"]
 	path = vim/bundle/vim-bufferline
 	url = https://github.com/bling/vim-bufferline
-[submodule "vim/bundle/YouCompleteMe"]
-	path = vim/bundle/YouCompleteMe
-	url = https://github.com/ycm-core/YouCompleteMe.git
 [submodule "vim/bundle/tagbar"]
 	path = vim/bundle/tagbar
 	url = https://github.com/preservim/tagbar.git

setup.sh

@@ -33,5 +33,6 @@ echo ""
 echo "NOTE: If you wand to use YCM, you need to do the following:"
 echo "  - Install python3-dev"
 echo "  - Install either vim-nox or build vim from source with python3 enabled"
-echo "  - cd ~/.vim/bundle/YouCompleteMe && python3 install.py --clangd-completer"
+echo "  - Download and install YCM: https://github.com/ycm-core/YouCompleteMe.git"
+echo "  - cd ./YouCompleteMe && python3 install.py --clangd-completer"
 echo "  - Remove comment markers under OPTION B in your .vimrc"