* Introduce g:lsp_settings_disable_suggestions
* Problem: When you use lsp for certain filetypes, you see
"Please do :LspInstallServer to enable Language Server" message
every time when you open a file that you don't need lsp supports.
It's hard to disable all the possible filetypes but the one
you use.
* Solution: Provide a way to opt-out the messages.
* Revserse the role
* Reverse even more