Migrate to stamblerre/gocode in YouCompleteMe for Go module support

Migrate to stamblerre/gocode in YouCompleteMe for Go module support

apt install build-essential cmake python3-dev

git clone --depth 1 https://github.com/Valloric/YouCompleteMe.git

cd /home/jun/.vim/pack/plugins/start/YouCompleteMe
git submodule update --init --recursive

vim /home/jun/.vim/pack/plugins/start/YouCompleteMe/third_party/ycmd/ycmd/completers/go/go_completer.py

mdempsky/gocode
stamblerre/gocode

vim /home/jun/.vim/pack/plugins/start/YouCompleteMe/third_party/ycmd/.gitmodules

mdempsky/gocode
stamblerre/gocode

rm -rf third_party/ycmd/third_party/go/src/github.com/mdempsky/

vim ./third_party/ycmd/build.py

cd third_party/ycmd/third_party/go/src/github.com
mkdir stamblerre
cd stamblerre
git clone --depth 1 https://github.com/stamblerre/gocode.git

cd /home/jun/.vim/pack/plugins/start/YouCompleteMe

./install.py --go-completer

Reference:

https://github.com/Valloric/YouCompleteMe

https://github.com/stamblerre/gocode