disable the vim-go template on new files

I found that really annoying, I don't know why it's on by default.

.vim/ftplugin/go.vim

@@ -1,5 +1,8 @@
 " don't show go fmt errors
 let g:go_fmt_fail_silently = 1
 
+" don't template out new Go files
+let g:go_template_autocreate = 0
+
 " use literal tab characters in Go
 set noexpandtab