Remove color profiles from exif-orientation layout test images

The presence of color profiles in the test images unnecessarily
complicates dynamic color profile testing. These tests are only
concerned with image orientation, not whether the images have a
color profile or not.

TBR=dstockwell@chromium.org
BUG=367629

Review URL: https://codereview.chromium.org/256043003

git-svn-id: svn://svn.chromium.org/blink/trunk@172734 bbb929c8-8fbe-4397-9dbb-9b2b20218538