Jetpack Cron event occurs when Jetpack is not installed?
I have installed the JetPack plugin but removed it because I can use other plugins to achieve its functionality more easily.
Now I'm wondering why there are tons of Jetpack entries in cron events:
jetpack_sync_cron
jetpack_sync_full_cron
jetpack_clean_nonces
jp_purge_transients_cron
jetpack_waf_rules_update_cron
jetpack_v2_heartbeat
So here's my question.
Although I don't use JetPack, are these cronjobs necessary?
If not: how do I remove these cronjobs?