Remove unused readPixel() parameter.

Bug 22375329

Change-Id: Ifeb8017d50224b784dedd6197779c6ebfa5cf484
Reviewed-on: https://swiftshader-review.googlesource.com/3994
Reviewed-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>
Tested-by: Nicolas Capens <capn@google.com>
2 files changed