Issue #3383451 by phenaproxima, tedbow: Remove PreDestroyEvent and PostDestroyEvent

package_manager/package_manager.api.php

package_manager/src/Event/PostDestroyEvent.php

package_manager/src/Event/PreDestroyEvent.php

package_manager/src/StageBase.php

package_manager/src/Validator/LockFileValidator.php

...t_event_logger/src/EventSubscriber/EventLogSubscriber.php

...er_test_validation/src/EventSubscriber/TestSubscriber.php

package_manager/tests/src/Build/TemplateProjectTestBase.php

package_manager/tests/src/Kernel/StageEventsTest.php

package_manager/tests/src/Kernel/StageOwnershipTest.php

src/ConsoleUpdateStage.php

tests/src/Build/CoreUpdateTest.php

tests/src/Functional/UpdateErrorTest.php

tests/src/Kernel/ConsoleUpdateStageTest.php