build: Remove no-op calls to set_sources_assignment_filter

Chromiun no longer use set_sources_assignment_filter() anywhere in the
build, so these are no longer needed.

Bug: chromium:1018739
Change-Id: I0e460922947430ed357838ff4196516d19c382a5
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/323636
Commit-Queue: Mike Klein <mtklein@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
1 file changed