neovim: fix a bunch of small issues

- snack explorer now opens on the neovim is open at instead of the go
module
- remove obsolete linting stuff

neovim/dot-config/nvim/lua/plugins/lspconfig.lua

@@ -6,7 +6,6 @@ return {
         gopls = {
           settings = {
             gopls = {
-              experimentalWorkspaceModule = true,
               hints = {
                 assignVariableTypes = false,
                 -- compositeLiteralFields = false,