Revert "Add utilities to SkGeometry for quad and cubic rotation angles"

This reverts commit 26766ad4270477d9b1708ed5ca5142b0855c2e7a.

Reason for revert: Pixel & Nexus 5 failing with

Failures:
	../../../../../../skia/tests/GeometryTest.cpp:424	 [Geometry]: SkScalarNearlyEqual(leftRotation, expectedChoppedRotation)
	../../../../../../skia/tests/GeometryTest.cpp:424	 [Geometry]: SkScalarNearlyEqual(leftRotation, expectedChoppedRotation)


Original change's description:
> Add utilities to SkGeometry for quad and cubic rotation angles
> 
> Adds methods to measure the rotation angles of quadratics and cubics,
> and to chop curves at locations that divide the rotation angle in half.
> 
> Bug: skia:10419
> Change-Id: I840e12034fc66e1a459de875fefda07a27a78335
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/308880
> Reviewed-by: Jim Van Verth <jvanverth@google.com>
> Commit-Queue: Chris Dalton <csmartdalton@google.com>

TBR=egdaniel@google.com,jvanverth@google.com,csmartdalton@google.com,reed@google.com

Change-Id: Ic3d5c1ae35b74aa340757e92132bb2c1b8910cc6
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:10419
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/312119
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
3 files changed