Removed metalirconverter.dylib, use the one installed on the system

Author: kcloudy0717

CMakeLists.txt

@@ -62,7 +62,8 @@ if (APPLE)
   set(METAL_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/third-party/metal-cpp
                          ${CMAKE_CURRENT_SOURCE_DIR}/third-party/metal_irconverter
                          ${CMAKE_CURRENT_SOURCE_DIR}/third-party/metal_irconverter_runtime)
-  set(METAL_LIBRARIES ${CMAKE_CURRENT_SOURCE_DIR}/third-party/metal_irconverter/lib/libmetalirconverter.dylib)
+  find_library(METAL_IRCONVERTER_LIBRARY metalirconverter PATHS /usr/local/lib REQUIRED)
+  set(METAL_LIBRARIES ${METAL_IRCONVERTER_LIBRARY})
   set(OFFLOADTEST_ENABLE_METAL On)
 endif ()