refactor: remove deprecated methods in `Autoloader` #14291

Job	Run time
Setup PHP Version for Code Coverage	2s
Others (8.5) / Sanity Tests	2m 37s
Others (8.3) / Sanity Tests	2m 40s
Others (8.4) / Sanity Tests	2m 31s
Others (8.2) / Sanity Tests	3m 59s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 24s
SeparateProcess (8.2) / tests	3m 43s
CacheLive (8.5) / Cache Live Tests	2m 5s
SeparateProcess (8.5) / tests	3m 31s
SeparateProcess (8.3) / tests	3m 23s
SeparateProcess (8.4) / tests	3m 37s
CacheLive (8.4) / Cache Live Tests	2m 5s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	6m 3s
DatabaseLive (8.2, MySQLi, 5.7) / tests	3m 57s
DatabaseLive (8.2, MySQLi, 8.0) / tests	6m 20s
DatabaseLive (8.5, Postgre, 8.0) / tests	2m 48s
DatabaseLive (8.5, SQLite3, 8.0) / tests	2m 21s
DatabaseLive (8.5, OCI8, 8.0) / tests	7m 9s
DatabaseLive (8.4, MySQLi, 8.0) / tests	5m 21s
DatabaseLive (8.5, SQLSRV, 8.0) / tests	5m 19s
DatabaseLive (8.3, Postgre, 8.0) / tests	2m 58s
DatabaseLive (8.4, Postgre, 8.0) / tests	2m 38s
DatabaseLive (8.2, SQLite3, 8.0) / tests	3m 9s
CacheLive (8.3) / Cache Live Tests	2m 9s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 40s
DatabaseLive (8.5, MySQLi, 8.0) / tests	4m 49s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	5m 1s
DatabaseLive (8.3, OCI8, 8.0) / tests	6m 45s
DatabaseLive (8.4, OCI8, 8.0) / tests	6m 54s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 30s
DatabaseLive (8.4, SQLite3, 8.0) / tests	2m 10s
DatabaseLive (8.3, MySQLi, 8.0) / tests	4m 44s
CacheLive (8.2) / Cache Live Tests	2m 15s
DatabaseLive (8.2, OCI8, 8.0) / tests	8m 6s
Upload coverage results to Coveralls / coveralls	41s
	2h 13m 24s

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