removed useless log

src/device/device.c

@@ -52,8 +52,6 @@ char* device_get_image(device_t* device)
     memcpy(tr + path_len, image, image_len);
     *(tr + path_len + image_len) = 0;
 
-    printf("path= %s\n", tr);
-
     return tr;
 }