We don't use the libnetwork function since the Proxy API tests are skipped on the iOS simulator. As such, we should avoid soft linking against libnetwork on the simulator builds to prevent unused function errors.
<rdar://problem/110414816>
Pull request: https://github.com/WebKit/WebKit/pull/14755
Committed 264954@main (450764cda1cb): <https://commits.webkit.org/264954@main> Reviewed commits have been landed. Closing PR #14755 and removing active labels.