feat: remove autoware_auto_geometry package (autowarefoundation#7217)

* feat!: remove autoware_auto_geometry package

Signed-off-by: Ryohsuke Mitsudome <ryohsuke.mitsudome@tier4.jp>

* docs: remove autoware_auto_geometry package from docs

Signed-off-by: Ryohsuke Mitsudome <ryohsuke.mitsudome@tier4.jp>

---------

Signed-off-by: Ryohsuke Mitsudome <ryohsuke.mitsudome@tier4.jp>

.github/CODEOWNERS

@@ -1,7 +1,6 @@
 ### Automatically generated from package.xml ###
 common/autoware_ad_api_specs/** isamu.takagi@tier4.jp ryohsuke.mitsudome@tier4.jp
 common/autoware_auto_common/** opensource@apex.ai satoshi.ota@tier4.jp shumpei.wakabayashi@tier4.jp tomoya.kimura@tier4.jp
-common/autoware_auto_geometry/** satoshi.ota@tier4.jp
 common/autoware_auto_perception_rviz_plugin/** opensource@apex.ai satoshi.tanaka@tier4.jp shunsuke.miura@tier4.jp taiki.tanaka@tier4.jp takeshi.miura@tier4.jp yoshi.ri@tier4.jp
 common/autoware_auto_tf2/** jit.ray.c@gmail.com satoshi.ota@tier4.jp shumpei.wakabayashi@tier4.jp tomoya.kimura@tier4.jp
 common/autoware_overlay_rviz_plugin/autoware_mission_details_overlay_rviz_plugin/** ahmed.ebrahim@leodrive.ai

common/.pages

@@ -6,10 +6,6 @@ nav:
   - 'Common Libraries':
     - 'autoware_auto_common':
       - 'comparisons': common/autoware_auto_common/design/comparisons
-    - 'autoware_auto_geometry':
-      - 'interval': common/autoware_auto_geometry/design/interval
-      - 'polygon intersection 2d': common/autoware_auto_geometry/design/polygon_intersection_2d-design
-      - 'spatial hash': common/autoware_auto_geometry/design/spatial-hash-design
     - 'autoware_auto_tf2': common/autoware_auto_tf2/design/autoware-auto-tf2-design
     - 'autoware_point_types': common/autoware_point_types
     - 'Cuda Utils': common/cuda_utils