cmd/link: remove dead code
cmd/link: remove dead code

Change-Id: I8a54235c8b7bf1010f19d0d358cd4f76fc911d28
Reviewed-on: https://go-review.googlesource.com/59416
Reviewed-by: Ian Lance Taylor <87e9c6d529889242b7e184afb632328636553ab4@golang.org>
Run-TryBot: Ian Lance Taylor <87e9c6d529889242b7e184afb632328636553ab4@golang.org>
TryBot-Result: Gobot Gobot <66cb808b70d30c07676d5e946fee83fd561249e5@golang.org>

CAFxX/go,josharian/go,Cofyc/go,golang/go,polyverse-security/go,polyverse-security/go,polyverse-security/go,golang/go,CAFxX/go,josharian/go,nawawi/go,akutz/go,codestation/go,codestation/go,akutz/go,josharian/go,nawawi/go,cloudflare/go,CAFxX/go,golang/go,josharian/go,christopher-henderson/Go,cloudflare/go,nawawi/go,josharian/go,codestation/go,nawawi/go,golang/go,cloudflare/go,polyverse-security/go,golang/go,cloudflare/go,Cofyc/go,codestation/go,Cofyc/go,golang/go,akutz/go,akutz/go,polyverse-security/go,golang/go,polyverse-security/go,CAFxX/go,polyverse-security/go,codestation/go,nawawi/go,josharian/go,akutz/go,Cofyc/go,cloudflare/go,golang/go,akutz/go,akutz/go,cloudflare/go,cloudflare/go,Cofyc/go,codestation/go,Cofyc/go,CAFxX/go,nawawi/go,nawawi/go,Cofyc/go,akutz/go,codestation/go,CAFxX/go,Cofyc/go,CAFxX/go,josharian/go,codestation/go,josharian/go,CAFxX/go,cloudflare/go,nawawi/go,polyverse-security/go