tools: Remove sk_tool_utils::set_portable_typeface()

Change-Id: I2a87bb1d020bc50d1ca4c3f56382fa4c372d4c7d
Reviewed-on: https://skia-review.googlesource.com/c/182661
Reviewed-by: Hal Canary <halcanary@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
2 files changed