edited changelog update

Changelog.md

@@ -7,38 +7,21 @@
     * [Pull Request 443](https://github.com/osrf/vrx/pull/443) 
     * [Pull Request 448](https://github.com/osrf/vrx/pull/448) 
 
-Enable shooting the ball with the joystick 
-Example cleanup
-Adding 2022/phase2 worlds and extra models 
-Update example_component_config.yaml and numeric.yaml for generating compliant WAM-V URDFs 
-
 1. Enforce Compliance with VRX 2022 Competition Guidelines
     * [Pull Request 405](https://github.com/osrf/vrx/pull/405) 
     * [Pull Request 432](https://github.com/osrf/vrx/pull/432) 
     * [Pull Request 446](https://github.com/osrf/vrx/pull/446) 
     * [Pull Request 449](https://github.com/osrf/vrx/pull/449) 
     * [Pull Request 452](https://github.com/osrf/vrx/pull/452) 
 
-Update the allowed region for the thrusters 
-updating all var_wind_time 1 to 2 to keep within the envelope 
-Fixed the generate urdf scripts such that we can pass in "locked" parameter. 
-Finish Gymkhana when failing crossing the navigation channel 
-Made placard symbol subscriber enable latching 
-
 1. Pinger support
     * [Pull Request 424](https://github.com/osrf/vrx/pull/424) 
     * [Pull Request 438](https://github.com/osrf/vrx/pull/439) 
     * [Pull Request 439](https://github.com/osrf/vrx/pull/439) 
 
-added ability to add wamv_pinger to component.yaml 
-Fix pinger location in gymkhana task 
-Removed set pinger position node from vrx.launch as well 
-
 1. Enhance wildlife follow plugin
     * [Pull Request 416](https://github.com/osrf/vrx/pull/416) 
     * [Pull Request 429](https://github.com/osrf/vrx/pull/429) 
-Usability improvements for follow_plugin (wildlife) 
-Jessica/phase2 updates 
 
 1. Workaround for Ignition Math FromLocal bug
     * [Pull Request 428](https://github.com/osrf/vrx/pull/428) 
@@ -53,12 +36,6 @@ Jessica/phase2 updates
     * [Pull Request 419](https://github.com/osrf/vrx/pull/419) 
     * [Pull Request 422](https://github.com/osrf/vrx/pull/422) 
 
-Adding wind and paused to stationkeeping demonstrations 
-add namespace to p3d base link name 
-Update perception_task.launch to include correct path to perception_task.world 
-fixed generate_wamv.launch 
-Fix tests 
-
 
 ### VRX 1.6.0
 1. Update pinger.yaml to support 2019 and 2022 worlds