Removed deprecated hipFreeHost

Change-Id: I9747ea3993090e0da6a2e1f5e9ce318762bc03e1


[ROCm/hip commit: 7b87a972cb]

projects/hip/src/hip_memory.cpp

@@ -941,12 +941,6 @@ hipError_t hipHostFree(void* ptr)
     return ihipLogStatus(hipStatus);
 };
 
-// TODO - deprecated function.
-hipError_t hipFreeHost(void* ptr)
-{
-    return hipHostFree(ptr);
-}
-
 hipError_t hipFreeArray(hipArray* array)
 {
     HIP_INIT_API(array);