Stop setting SK_SCALAR_IS_FLOAT

No clients depend on this anymore and SkScalar has only been a
float since about 2017.

Client CLs:
 - http://ag/21464613

Change-Id: Icba3765104c7a847ed2ac4b92647b63f6f9264c9
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/646697
Commit-Queue: Kevin Lubick <kjlubick@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
2 files changed