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Remove comments.

Author: bader

sycl/include/CL/sycl/detail/pi.h

@@ -286,7 +286,6 @@ typedef enum {
   PI_DEVICE_INFO_GPU_SUBSLICES_PER_SLICE = 0x10024,
   PI_DEVICE_INFO_GPU_EU_COUNT_PER_SUBSLICE = 0x10025,
   PI_DEVICE_INFO_MAX_MEM_BANDWIDTH = 0x10026,
-  // These are extensions that are currently only implemented for nvidia.
   PI_DEVICE_INFO_ATOMIC_64 = 0x10110
 } _pi_device_info;
 

sycl/include/CL/sycl/info/info_desc.hpp

@@ -142,7 +142,6 @@ enum class device : cl_device_info {
       PI_DEVICE_INFO_GPU_EU_COUNT_PER_SUBSLICE,
   ext_intel_max_mem_bandwidth = PI_DEVICE_INFO_MAX_MEM_BANDWIDTH,
   ext_intel_mem_channel = PI_MEM_PROPERTIES_CHANNEL,
-  // currently only implemented for nvidia
   atomic64 = PI_DEVICE_INFO_ATOMIC_64
 };