Skip vacuum log report code in lazy_scan_heap() if possible

When Who What
2021-12-04 04:35:42 Michael Paquier (michael-kun) Closed in commitfest 2022-01 with status: Rejected
2021-12-02 22:20:54 Nathan Bossart (bossartn) New status: Ready for Committer
2021-11-11 23:08:52 Nathan Bossart (bossartn) Added bossartn as reviewer
2021-11-09 05:53:23 Greg Nancarrow (gregn1234) Changed authors to Greg Nancarrow (gregn1234)
2021-11-09 05:51:59 Greg Nancarrow (gregn1234) Attached mail thread CAJcOf-fH5FGsF3mpPL1m5yHLeR0HdXWQp9RA=LnHu0Qd=eq9DA@mail.gmail.com
2021-11-09 05:51:59 Greg Nancarrow (gregn1234) Created patch record