[neovim] Use conform plugin for auto formatting

.config/nvim/lua/plugins/go.lua

@@ -8,15 +8,3 @@ require("go").setup({
 require("guihua.maps").setup({
 	maps = { close_view = "<C-x>" },
 })
-
-vim.cmd("autocmd FileType go nmap <Leader>gf :lua require('go.format').goimport()<CR>")
-
-local format_sync_grp = vim.api.nvim_create_augroup("GoFormat", {})
-vim.api.nvim_create_autocmd("BufWritePre", {
-  pattern = "*.go",
-  callback = function()
-   require('go.format').goimports()
-  end,
-  group = format_sync_grp,
-})
-