Reverts "Reland: [macOS] Use CVDisplayLink to drive repaint (#51126)"

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Reverts #51126

Initiated by: cbracken

Reason for reverting: looks like this regressed Skia benchmarks: https://flutter-flutter-perf.skia.org/e/?keys=Xbf8dce9c233bce34d20e2280e3f1d8db&selected=commit%3D39653%26name%3D%2Carch%3Dintel%2Cbranch%3Dmaster%2Cconfig%3Ddefault%2Cdevice_type%3Dnone%2Cdevice_version%3Dnone%2Chost_type%3Dmac%2Csub_result%3DtimeToFirstFrameRasterizedMicros%2Ctest%3Dflutter_gallery_macos__start_up%2C&xbaroffset=39569

The regression s

Original PR Author: knopp

Reviewed By: {cbracken}

This change reverts the following previous change:
Original Description:
This relands the PR reverted in #51095

Changes since the original PR:

• The macOS embedder does not assume particular clock when calling the embedder API, but converts CAMediaTime to engine time and back (FlutterTimeConverter)
• FlutterVSyncWaiter does not wait for displaylink callback during warmup frame. This should prevent timeToFirstFrameRasterizedMicros regressions.
• When enforcing frame pacing the raster thread is not blocked. This should prevent average_frame_rasterizer_time_millis regressions.

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• I listed at least one issue that this PR fixes in the description above.
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• All existing and new tests are passing.

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