build(autoware.repos): remove ament_cmake fork repository (#5360)

Signed-off-by: Chengyong Lin <stclin@qq.com>

Author: ChgygLin

autoware.repos

@@ -75,10 +75,6 @@ repositories:
     type: git
     url: https://github.com/MapIV/llh_converter.git
     version: ros2
-  universe/external/ament_cmake: # TODO(mitsudome-r): remove when https://github.com/ament/ament_cmake/pull/448 is merged
-    type: git
-    url: https://github.com/autowarefoundation/ament_cmake.git
-    version: feat/faster_ament_libraries_deduplicate
   universe/external/glog:  # TODO(Horibe): to use isGoogleInitialized() API in v0.6.0. Remove when the rosdep glog version is updated to v0.6.0 (already updated in Ubuntu 24.04)
     type: git
     url: https://github.com/tier4/glog.git