Remove assert in Slug deserialization

We already handle this gracefully, and it just makes fuzzers unhappy

Bug: b/335792589
Change-Id: I7b21474f93ad1038ff5ef04b1698bdc569561fa3
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/844456
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Jim Van Verth <jvanverth@google.com>
1 file changed