Clean up and rebuild @osd/pm (opensearch-project#3570)

* Fix the build failures
* Removed some unused packages
* Update gist url templates in Lychee's exclusion list

Signed-off-by: Miki <miki@amazon.com>

.lycheeexclude

@@ -103,6 +103,7 @@ http://github.com/
 http://jsperf
 https://jsperf
 https://gist.githubusercontent.com/
+https://codeload.github.com/gist/
 https://nodejs.org/
 https://www.npmjs.com/
 https://microsoft.github.io/
@@ -115,4 +116,4 @@ https://a.tile.openstreetmap.org/
 http://www.creedthoughts.gov
 https://media-for-the-masses.theacademyofperformingartsandscience.org/
 https://yarnpkg.com/latest.msi
-https://forum.opensearch.org/
+https://forum.opensearch.org/

CHANGELOG.md

@@ -105,6 +105,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - [Multi DataSource]Update test connection button text([#3247](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/3247))
 - [Region Maps] Add ui setting to configure custom vector map's size parameter([#3399](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/3399))
 - [Search Telemetry] Fixes search telemetry's observable object that won't be GC-ed([#3390](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/3390))
+- Clean up and rebuild `@osd/pm` ([#3570](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/3570))
 
 ### 🚞 Infrastructure