feat!(plugins): remove mason

BREAKING CHANGE: remove the need for `mason` and thus lsp plugins have
to be installed system-wide

lua/lsp.lua

@@ -86,53 +86,10 @@ require('which-key').add {
   { "<leader>h", desc = "Git [H]unk",       mode = "v" },
 }
 
--- mason-lspconfig requires that these setup functions are called in this order
--- before setting up the servers.
-require('mason').setup()
-require('mason-lspconfig').setup()
-
--- Enable the following language servers
---  Feel free to add/remove any LSPs that you want here. They will automatically be installed.
---
---  Add any additional override configuration in the following tables. They will be passed to
---  the `settings` field of the server config. You must look up that documentation yourself.
---
---  If you want to override the default filetypes that your language server will attach to you can
---  define the property 'filetypes' to the map in question.
-local servers = {
-  clangd = {},
-  bashls = {},
-  -- gopls = {},
-  pyright = {},
-  -- rust_analyzer = {},
-  ts_ls = {},
-  eslint = {},
-  -- html = { filetypes = { 'html', 'twig', 'hbs'} },
-  texlab = {},
-  tinymist = {},
-  lua_ls = {
-    Lua = {
-      workspace = { checkThirdParty = false },
-      telemetry = { enable = false },
-      -- NOTE: toggle below to ignore Lua_LS's noisy `missing-fields` warnings
-      -- diagnostics = { disable = { 'missing-fields' } },
-    },
-  },
-}
-
 -- nvim-cmp supports additional completion capabilities, so broadcast that to servers
 local capabilities = vim.lsp.protocol.make_client_capabilities()
 capabilities = require('cmp_nvim_lsp').default_capabilities(capabilities)
 
--- Ensure the servers above are installed
-local mason_lspconfig = require 'mason-lspconfig'
-
-mason_lspconfig.setup {
-  ensure_installed = vim.tbl_keys(servers),
-  automatic_installation = true,
-  automatic_enable = true,
-}
-
 -- [[ System LSPs ]]
 local setup_godot_dap = function()
   local dap = require("dap")
@@ -157,5 +114,23 @@ end
 
 setup_godot_dap()
 
+-- [[ lsp configurations ]]
+vim.lsp.config("lua_ls", {
+  settings = {
+    Lua = {
+      workspace = { checkThirdParty = false },
+      telemetry = { enable = false },
+      -- NOTE: toggle below to ignore Lua_LS's noisy `missing-fields` warnings
+      -- diagnostics = { disable = { 'missing-fields' } },
+    },
+  }
+})
+
+
 vim.diagnostic.config({ virtual_lines = true })
-vim.lsp.enable({ "ltex_ls_plus", "rust-analyzer", "gdscript" })
+vim.lsp.enable({
+  -- managed in lsp directory
+  "ltex_ls_plus", "rust-analyzer", "gdscript",
+  -- managed by lsp-config
+  "tinymist", "texlab", "clangd", "pyright", "ts_ls", "eslint", "lua_ls", "bashls"
+})