Remove SkDebugf that is gumming up the bot logs

This SkDebugf is making the bot logs a bit harder to read:

http://108.170.220.120:10117/builders/Perf-Win7-ShuttleA-HD2000-x86-Release-ANGLE/builds/1959/steps/BenchPictures/logs/stdio

R=bsalomon@google.com

Author: robertphillips@google.com

Review URL: https://codereview.chromium.org/296153003

git-svn-id: http://skia.googlecode.com/svn/trunk@14832 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed