Fix comments in gistxlogDelete, xl_heap_freeze_page and xl_btree_delete

When Who What
2023-04-04 18:09:35 Bertrand Drouvot (bertranddrouvot.pg) Closed in commitfest 2023-07 with status: Committed
2023-04-04 18:09:35 Bertrand Drouvot (bertranddrouvot.pg) Changed committer to rhaas
2023-03-02 13:01:43 Bertrand Drouvot (bertranddrouvot.pg) Changed authors to Bertrand Drouvot (bertranddrouvot.pg)
2023-03-02 13:01:43 Bertrand Drouvot (bertranddrouvot.pg) Changed targetversion to stable
2023-03-02 13:01:22 Bertrand Drouvot (bertranddrouvot.pg) Attached mail thread 80db7836-4415-d54a-64c3-66b88b1430e7@gmail.com
2023-03-02 13:01:22 Bertrand Drouvot (bertranddrouvot.pg) Created patch record