refactor: remove `imagedestroy` has no effect since PHP 8.0 #13541

Job	Run time
Setup PHP Version for Code Coverage	2s
Others (8.3) / Sanity Tests	2m 28s
Others (8.1) / Sanity Tests	2m 29s
Others (8.2) / Sanity Tests	3m 48s
Others (8.4) / Sanity Tests	3m 27s
SeparateProcess (8.1) / tests	3m 39s
SeparateProcess (8.4) / tests	3m 23s
SeparateProcess (8.3) / tests	3m 39s
CacheLive (8.3) / Cache Live Tests	2m 1s
CacheLive (8.4) / Cache Live Tests	2m 11s
DatabaseLive (8.2, MySQLi, 8.0) / tests	5m 18s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	5m 21s
CacheLive (8.2) / Cache Live Tests	2m 32s
CacheLive (8.1) / Cache Live Tests	2m 15s
DatabaseLive (8.1, MySQLi, 8.0) / tests	4m 50s
DatabaseLive (8.1, SQLSRV, 8.0) / tests	5m 18s
DatabaseLive (8.3, MySQLi, 8.0) / tests	4m 35s
DatabaseLive (8.2, OCI8, 8.0) / tests	6m 51s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 53s
DatabaseLive (8.4, OCI8, 8.0) / tests	6m 23s
DatabaseLive (8.2, SQLite3, 8.0) / tests	3m 4s
DatabaseLive (8.4, Postgre, 8.0) / tests	2m 32s
DatabaseLive (8.4, MySQLi, 8.0) / tests	4m 47s
DatabaseLive (8.3, Postgre, 8.0) / tests	3m 38s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 26s
DatabaseLive (8.1, SQLite3, 8.0) / tests	2m 59s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	5m 7s
DatabaseLive (8.1, OCI8, 8.0) / tests	6m 48s
DatabaseLive (8.1, Postgre, 8.0) / tests	2m 43s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 30s
DatabaseLive (8.3, OCI8, 8.0) / tests	6m 24s
DatabaseLive (8.4, SQLite3, 8.0) / tests	3m 11s
DatabaseLive (8.1, MySQLi, 5.7) / tests	2m 53s
SeparateProcess (8.2) / tests	3m 25s
Upload coverage results to Coveralls / coveralls	56s
	2h 10m 46s

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