feat: remove nvim-lint

I found this plugin caused more issues than solved, so I'm dropping it
in favour of using the ESLint LSP server instead. "EslintFixAll" covers
the majority of my bases it seems.

lua/plugins/lsp.lua

@@ -41,7 +41,14 @@ return {
 		opts = {
 			servers = {
 				cssls = {},
-				eslint = {},
+				eslint = {
+					on_attach = function(_, bufnr)
+						vim.api.nvim_create_autocmd("BufWritePre", {
+							buffer = bufnr,
+							command = "EslintFixAll",
+						})
+					end,
+				},
 				html = {},
 				lua_ls = {},
 				taplo = {},