Remove syscall telemetry in the WebContent process on macOS, since the amount of data collected is sufficient.
<rdar://problem/97436960>
Pull request: https://github.com/WebKit/WebKit/pull/2656
Committed 252733@main (798e7a8e8216): <https://commits.webkit.org/252733@main> Reviewed commits have been landed. Closing PR #2656 and removing active labels.