Update UIImage+WebP.m
Update UIImage+WebP.m

Remove commented code lines
seanooi/iOS-WebP,LIQC/iOS-WebP,waynett/iOS-WebP,bufanwyl/iOS-WebP,RoyZeng/iOS-WebP,LIQC/iOS-WebP,1yvT0s/iOS-WebP,bufanwyl/iOS-WebP,1yvT0s/iOS-WebP,waynett/iOS-WebP,RoyZeng/iOS-WebP