SkPDF: remove duplicate dict entry

Change-Id: I550b4e50694b0cb3ba89c816dc54f3da9e8a9c53
Reviewed-on: https://skia-review.googlesource.com/20682
Reviewed-by: Hal Canary <halcanary@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
1 file changed