Commenting out hpvm_request_tensor def from visc.h

llvm/test/VISC/DNN_Benchmarks/common/include/visc.h

@@ -107,11 +107,14 @@ long get_local_size(int);
 void llvm_visc_track_mem(void*, size_t);
 void llvm_visc_untrack_mem(void*);
 void llvm_visc_request_mem(void*, size_t);
-#ifdef __cplusplus
+
+/*#ifdef __cplusplus
 void hpvm_request_tensor(void*, visc::Target);
 #else
 void hpvm_request_tensor(void*, enum Target);
 #endif
+*/  
+
 #ifdef __cplusplus
 }
 #endif