refactor: remove deprecated methods in `Autoloader` (#9973) #14303

Job	Run time
Setup PHP Version for Code Coverage	3s
Others (8.4) / Sanity Tests	2m 44s
Others (8.5) / Sanity Tests	2m 34s
Others (8.2) / Sanity Tests	4m 12s
Others (8.3) / Sanity Tests	2m 40s
SeparateProcess (8.2) / tests	3m 38s
SeparateProcess (8.3) / tests	3m 49s
CacheLive (8.2) / Cache Live Tests	2m 27s
CacheLive (8.4) / Cache Live Tests	2m 8s
SeparateProcess (8.4) / tests	3m 23s
CacheLive (8.3) / Cache Live Tests	2m 13s
DatabaseLive (8.4, MySQLi, 8.0) / tests	4m 30s
SeparateProcess (8.5) / tests	3m 34s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 22s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 36s
DatabaseLive (8.5, SQLSRV, 8.0) / tests	5m 53s
DatabaseLive (8.3, MySQLi, 8.0) / tests	4m 24s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	6m 4s
DatabaseLive (8.3, OCI8, 8.0) / tests	7m 13s
DatabaseLive (8.3, Postgre, 8.0) / tests	2m 49s
DatabaseLive (8.2, OCI8, 8.0) / tests	7m 43s
CacheLive (8.5) / Cache Live Tests	2m 8s
DatabaseLive (8.2, SQLite3, 8.0) / tests	2m 43s
DatabaseLive (8.4, SQLite3, 8.0) / tests	2m 23s
DatabaseLive (8.2, MySQLi, 8.0) / tests	5m 59s
DatabaseLive (8.5, MySQLi, 8.0) / tests	4m 59s
DatabaseLive (8.2, MySQLi, 5.7) / tests	3m 54s
DatabaseLive (8.5, OCI8, 8.0) / tests	7m 5s
DatabaseLive (8.5, SQLite3, 8.0) / tests	2m 14s
DatabaseLive (8.4, Postgre, 8.0) / tests	2m 54s
DatabaseLive (8.5, Postgre, 8.0) / tests	2m 50s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 40s
DatabaseLive (8.4, OCI8, 8.0) / tests	7m 12s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	5m 20s
Upload coverage results to Coveralls / coveralls	43s
	2h 14m 3s

Provide feedback