Reverts "Roll Flutter Engine from eb8fac2b1703 to e1259b86ba02 (2 rev…

…isions) (#152285)" (#152289)

Reverts: flutter/flutter#152285
Initiated by: jonahwilliams
Reason for reverting: crashing iOS benchmarks.
Original PR Author: engine-flutter-autoroll

Reviewed By: {fluttergithubbot}

This change reverts the following previous change:

flutter/engine@eb8fac2...e1259b8

2024-07-24 jonahwilliams@google.com [iOS] Switch to FlutterMetalLayer by default. (flutter/engine#54086)
2024-07-24 skia-flutter-autoroll@skia.org Roll Skia from 54d1434637a1 to 55ecdde3a5fa (3 revisions) (flutter/engine#54089)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/flutter-engine-flutter-autoroll
Please CC jonahwilliams@google.com,rmistry@google.com,zra@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

bin/internal/engine.version

@@ -1 +1 @@
-e1259b86ba02b931f5326603597165380209991e
+eb8fac2b170377ec8b575ebd52e33505a164b05d