update nvim config to use lazynvim

dot_config/nvim/lua/plugins/lsp.lua

@@ -1,42 +0,0 @@
--- Set the following keybinds only after LSP attachment
-local on_attach = function(_, bufnr)
-   -- Enable completion triggered by <c-x><c-o>
-  vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')
-end
-
--- Initialize servers that don't need any extra config
-local simple_servers = {}
-for _, lsp in pairs(simple_servers) do
-  require("lspconfig")[lsp].setup {
-    on_attach = on_attach,
-    flags = {
-      debounce_text_changes = 150,
-    }
-  }
-end
-
--- LSP: Lua (Sumneko)
-local runtime_path = vim.split(package.path, ";")
-table.insert(runtime_path, "lua/?.lua")
-table.insert(runtime_path, "lua/?/init.lua")
-
-require("lspconfig").sumneko_lua.setup {
-  on_attach = on_attach,
-  settings = {
-    Lua = {
-      runtime = {
-        version = "LuaJIT",
-        path = runtime_path,
-      },
-      diagnostics = {
-        globals = {"vim"},
-      },
-      workspace = {
-        library = vim.api.nvim_get_runtime_file("", true),
-      },
-      telemetry = {
-        enable = false,
-      },
-    },
-  },
-}