Remove deprecated files and dependencies from CMakeLists.txt and rbs_utils

- Removed dynamic_message_introspection, ros2_contro, and gz_ros2_controllers from all-deps.repos file
- Removed AssemblyConfigLoader due to it being deprecated (migrated to Python)

repos/all-deps.repos

@@ -7,18 +7,10 @@ repositories:
     type: git
     url: https://github.com/solid-sinusoid/robot-builder.git
     version: main
-  rbs_gripper:
-    type: git
-    url: https://github.com/solid-sinusoid/rbs-gripper.git
-    version: main
   behavior_tree:
     type: git
     url: https://github.com/BehaviorTree/BehaviorTree.ROS2.git
     version: humble
-  dynamic_message_introspection:
-    type: git
-    url: https://github.com/osrf/dynamic_message_introspection.git
-    version: main
   robot_builder:
     type: git
     url: https://github.com/solid-sinusoid/robot-builder.git
@@ -27,11 +19,3 @@ repositories:
     type: git
     url: https://github.com/solid-sinusoid/cartesian_controllers.git
     version: gazebo-simulation
-  ros2_control:
-    type: git
-    url: https://github.com/solid-sinusoid/ros2_control.git
-    version: gz-ros2-cartesian-controllers
-  gz_ros2_control:
-    type: git
-    url: https://github.com/solid-sinusoid/gz_ros2_control.git
-    version: fts-sensor