remove diagnostic-nvim

nvim-lua/diagnostic.nvim is deprecated.
[migration
guide](nvim-lua/diagnostic-nvim#73)

layers/Enhance/lsp/init.vim

@@ -1,8 +1,3 @@
-let g:diagnostic_enable_virtual_text = 1
-let g:diagnostic_virtual_text_prefix = '⛔'
-let g:diagnostic_insert_delay = 1
-let g:space_before_virtual_text = 5
-
 let g:neospace.lsp_enable = get(g:, "neospace.lsp_enable", {
   \ 'lua': 1,
   \ 'sh': 1,

layers/Enhance/lsp/packages.vim

@@ -1,3 +1,2 @@
 MP 'neovim/nvim-lspconfig'
-MP 'nvim-lua/diagnostic-nvim'
 MP 'nvim-lua/lsp-status.nvim'

lua/neospace/lsp.lua

@@ -1,54 +1,8 @@
-local nvim = require'nvim'
-local vim = nvim.vim
-local api = vim.api
-
 local nvim_lsp = require('nvim_lsp')
 
-local on_attach = function(client, bufnr)
-  bufnr = bufnr or 0
-
-  local resolved_capabilities = client.resolved_capabilities
-
-  -- Mappings.
-  local opts = {noremap = true, silent = true}
-  api.nvim_buf_set_keymap(bufnr, "n", "gD",
-                          "<Cmd>lua show_diagnostics_details()<CR>", opts)
-  api.nvim_buf_set_keymap(bufnr, "n", "gd",
-                          "<Cmd>lua vim.lsp.buf.definition()<CR>", opts)
-  api.nvim_buf_set_keymap(bufnr, "n", "gi",
-                          "<Cmd>lua vim.lsp.buf.implementation()<CR>", opts)
-  api.nvim_buf_set_keymap(bufnr, "n", "gK", "<Cmd>lua vim.lsp.buf.hover()<CR>",
-                          opts)
-  api.nvim_buf_set_keymap(bufnr, "n", "gh",
-                          "<Cmd>lua vim.lsp.buf.signature_help()<CR>", opts)
-  api.nvim_buf_set_keymap(bufnr, "n", "gr",
-                          "<Cmd>lua vim.lsp.buf.references()<CR>", opts)
-  api.nvim_buf_set_keymap(bufnr, "n", "gF",
-                          "<Cmd>lua vim.lsp.buf.formatting()<CR>", opts)
-  api.nvim_buf_set_keymap(bufnr, "n", "ga",
-                          "<Cmd>lua request_code_actions()<CR>", opts)
-  api.nvim_buf_set_keymap(bufnr, 'n', '<leader>gD',
-                          '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
-  api.nvim_buf_set_keymap(bufnr, 'n', '<leader>gR',
-                          '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
-  api.nvim_buf_set_keymap(bufnr, 'n', '<leader>e',
-                          '<cmd>lua vim.lsp.util.show_line_diagnostics()<CR>',
-                          opts)
-  if resolved_capabilities.document_highlight then
-    api.nvim_command [[autocmd CursorHold  <buffer> lua vim.lsp.buf.document_highlight()]]
-    api.nvim_command [[autocmd CursorHoldI <buffer> lua vim.lsp.buf.document_highlight()]]
-  end
-  api.nvim_command [[autocmd CursorMoved <buffer> lua vim.lsp.util.buf_clear_references()]]
-
-  require'diagnostic'.on_attach(client, bufnr)
-end
-
 local M = {}
 
-M.on_attach = on_attach
-
 M.setup = function(name, opts)
-  opts.on_attach = opts.on_attach or on_attach
   nvim_lsp[name].setup(opts)
 end