Cycles: * Removed outdated OpenCL comments, kernel features are defined in kernel_types.h now. 
Cycles:
* Removed outdated OpenCL comments, kernel features are defined in kernel_types.h now. 

tangent-opensource/coreBlackbird,pyrochlore/cycles,pyrochlore/cycles,tangent-opensource/coreBlackbird,tangent-opensource/coreBlackbird,pyrochlore/cycles