Remove unused TextLine::metricsWithoutMultiplier method

Change-Id: I4ca6d5eaa3aaa6ee3cb5ecb7db7031a7440217e3
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/607696
Commit-Queue: Jason Simmons <jsimmons@google.com>
Reviewed-by: Julia Lavrova <jlavrova@google.com>
2 files changed