External services is not set as unrestricted when "authorization" presents in comment

Created by: unknwon

https://github.com/sourcegraph/sourcegraph/blob/7eeb35333b7e3b8d3a19a916bdb8d6d32ed76c97/internal/db/external_services.go#L473

Root cause:

gjson thinks the value exists even if it's commented out, example: https://play.golang.org/p/AL960W4grkT

Workaround:

Delete instead of commenting out