ggml-dsp: cleanup code

Author: zhouwg

ggml/src/ggml-hexagon/kernels/ggml-dsp.c

@@ -273,7 +273,9 @@ void ggmlhexagon_log_internal(int level, const char *file, const char *func, int
 }
 
 void ggmlhexagon_dump_tensor_elements(const ggml_tensor * tensor) {
-    //return;
+#if !GGMLHEXAGON_DEBUG
+    return;
+#endif
     float value = 0;
     char tmpbuf[GGMLHEXAGON_LOGBUF_LEN];
     size_t buflen = 0;

ggml/src/ggml-hexagon/kernels/mulmat.c

@@ -274,5 +274,4 @@ int ggmlop_dsp_mulmat(remote_handle64 h, const struct dsptensor * src0, const st
     } else {
         return ggmlop_dsp_mulmat_singlethread(h, src0, src1, dst);
     }
-    return 0;
 }