[x/go.dev] config.toml: remove links
[x/go.dev] config.toml: remove links

Updated links per go/go-discovery-march-trip

Change-Id: I7790e6992adb9ffc118d1a74175cf646e8abdbbc
X-GoDev-Commit: 50c460704fb490f4680d644873b9c5b8c1166c65

golang/website,golang/website,golang/website,golang/website,golang/website,golang/website,golang/website