Remove MakePrg command
Remove MakePrg command

I never really use :MakePrg anymore. The few times I actually do use it,
I would have been fine with just doing :let &makeprg manually.

Besides, I almost always have makeprg set the way I like automatically,
thanks to ftplugins and Makery.

igemnace/my-vim-config,igemnace/vim-config,igemnace/vim-config,igemnace/vim-config