Connectors: Remove redundant helper and improve PHPDoc #33479

Job	Run time
Determine Matrix	5s
Multisite Default / Test current	12m 24s
Single Site Default / Test current	12m 37s
Single Site Memcached / Test 6.7.0	11m 9s
Multisite Default / Test 6.7.0	11m 15s
Single Site Memcached / Test current	12m 23s
Single Site Default / Test 6.7.0	11m 26s
Multisite Memcached / Test current	12m 48s
Multisite Memcached / Test 6.7.0	11m 28s
Slack Notifications / Prepare notifications	5s
Compare / Multisite Memcached	17s
Compare / Single Site Default (Publishes)	13s
Compare / Multisite Default	17s
Compare / Single Site Memcached	16s
Slack Notifications / Success notifications	4s
Slack Notifications / Fixed notifications	0s
Slack Notifications / Cancelled notifications	0s
Slack Notifications / Failure notifications	0s
Failed workflow tasks	0s
	1h 36m 47s

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