Simplify GrSmallPathRenderer::visitProxies

As noted at line 341, the SmallPathOp doesn't reliably know the
proxies that will be used by the atlas when visitProxies is called.
Deleting this code gives us a bit more flexibility for upcoming
refactorings.

Change-Id: I0292e750ed46c8555a75d1b5fa2710f1f616b70b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/308220
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
1 file changed