cmd/golangorg: remove /search endpoint case in TestLiveServer
cmd/golangorg: remove /search endpoint case in TestLiveServer

The /search endpoint was removed in CL 293412 and CL 293427.

Change-Id: I0f11a27bad63f68f211b12dcb77e8ace0daadfdc
Reviewed-on: https://go-review.googlesource.com/c/website/+/299369
Trust: Dmitri Shuralyov <d181b7fea0ec87c86ba5a890ab716db52498e3ba@golang.org>
Run-TryBot: Dmitri Shuralyov <d181b7fea0ec87c86ba5a890ab716db52498e3ba@golang.org>
TryBot-Result: Go Bot <66cb808b70d30c07676d5e946fee83fd561249e5@golang.org>
Reviewed-by: Alexander Rakoczy <60c6d277a8bd81de7fdde19201bf9c58a3df08f4@golang.org>

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