Disable capabilities of individual language servers about vim-lsp HOT 7 OPEN

function! s:on_lsp_buffer_enabled() abort
  let l:capabilities = lsp#get_server_capabilities('pyright-langserver')
  if !empty(l:capabilities)
    let l:capabilities.definitionProvider = v:false
    let l:capabilities.declarationProvider = v:false
    let l:capabilities.referencesProvider = v:false
  endif
endfunction


augroup vim-lsp
  au!
  autocmd User lsp_buffer_enabled call s:on_lsp_buffer_enabled()
augroup END

if executable('pylsp')
    " pip install python-language-server
    au User lsp_setup call lsp#register_server({
        \ 'name': 'pylsp',
        \ 'cmd': {server_info->['pylsp']},
        \ 'allowlist': ['python'],
        \ 'workspace_config': {'pylsp': {'plugins':
                \ {'pycodestyle': {'maxLineLength': 88}}
                \ }},
        \ })
endif

function! s:on_lsp_buffer_enabled() abort
    setlocal signcolumn=yes
    if exists('+tagfunc') | setlocal tagfunc=lsp#tagfunc | endif
    nmap <buffer> gd <plug>(lsp-definition)
    nmap <buffer> gr <plug>(lsp-references)
    nmap <buffer> gi <plug>(lsp-implementation)
    nmap <buffer> gt <plug>(lsp-type-definition)
    nmap <buffer> <leader>rn <plug>(lsp-rename)
    nmap <buffer> [g <plug>(lsp-previous-diagnostic)
    nmap <buffer> ]g <plug>(lsp-next-diagnostic)
    nmap <buffer> K <plug>(lsp-hover)
    nmap <buffer> <leader>df <plug>(lsp-document-format)
    nmap <buffer> <leader>ca <plug>(lsp-code-action)

    let g:BASH_Ctrl_j = 'off'
    inoremap <buffer> <expr><c-j> lsp#scroll(+4)
    inoremap <buffer> <expr><c-k> lsp#scroll(-4)
    nnoremap <buffer> <expr><c-j> lsp#scroll(+4)
    nnoremap <buffer> <expr><c-k> lsp#scroll(-4)
    " refer to doc to add more commands
endfunction

augroup vim-lsp
  au!
  autocmd User lsp_buffer_enabled call s:on_lsp_buffer_enabled()
augroup END

function! s:on_lsp_buffer_enabled() abort
  let l:capabilities = lsp#get_server_capabilities('pylsp')
  if !empty(l:capabilities)
    let l:capabilities.diagnosticProvider = v:false
  endif
endfunction

augroup lsp_install
    au!
    " call s:on_lsp_buffer_enabled only for languages that has the server registered.
    autocmd User lsp_buffer_enabled call s:on_lsp_buffer_enabled()
augroup END