Revert "fix nvcc for hipHostMalloc* flags."

This reverts commit b6962826eb.

include/nvcc_detail/hip_runtime_api.h

@@ -50,10 +50,10 @@ hipMemcpyHostToHost
 } hipTextureFilterMode;*/
 #define hipFilterModePoint cudaFilterModePoint
 
-#define hipHostMallocDefault cudaHostAllocDefault
-#define hipHostMallocPortable cudaHostAllocPortable
-#define hipHostMallocMapped cudaHostAllocMapped
-#define hipHostMallocWriteCombined cudaHostAllocWriteCombined
+#define hipHostAllocDefault cudaHostAllocDefault
+#define hipHostAllocPortable cudaHostAllocPortable
+#define hipHostAllocMapped cudaHostAllocMapped
+#define hipHostAllocWriteCombined cudaHostAllocWriteCombined
 
 #define hipHostRegisterPortable cudaHostRegisterPortable
 #define hipHostRegisterMapped cudaHostRegisterMapped