[Segment Replication] Revert backport/backport 6017 to 2.x (#6440) (#…

…6444)

* Revert "[Segment Replication] Add changelog entry and fix allocation test (#6250) (#6270)"

This reverts commit 726c068.

* Revert "[Segment Replication] Introduce primary weight factor for primary shards distribution (#6017) (#6161)"

This reverts commit 2e3e1ed.

(cherry picked from commit e316959)
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CHANGELOG.md

@@ -18,12 +18,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Add a guardrail to limit maximum number of shard on the cluster ([#6143](https://github.com/opensearch-project/OpenSearch/pull/6143))
 - Add cancellation of in-flight SearchTasks based on resource consumption ([#5606](https://github.com/opensearch-project/OpenSearch/pull/5605))
 - Add support for ppc64le architecture ([#5459](https://github.com/opensearch-project/OpenSearch/pull/5459))
-- [Segment Replication] Add primary weight factor for balanced primary distribution ([#6017](https://github.com/opensearch-project/OpenSearch/pull/6017))
 - Add a setting to control auto release of OpenSearch managed index creation block ([#6277](https://github.com/opensearch-project/OpenSearch/pull/6277))
 - Fix timeout error when adding a document to an index with extension running ([#6275](https://github.com/opensearch-project/OpenSearch/pull/6275))
 - Handle translog upload during primary relocation for remote-backed indexes ([#5804](https://github.com/opensearch-project/OpenSearch/pull/5804))
 - Batch translog sync/upload per x ms for remote-backed indexes ([#5854](https://github.com/opensearch-project/OpenSearch/pull/5854))
 
+
 ### Dependencies
 - Update nebula-publishing-plugin to 19.2.0 ([#5704](https://github.com/opensearch-project/OpenSearch/pull/5704))
 - Bumps `reactor-netty` from 1.1.1 to 1.1.2 ([#5878](https://github.com/opensearch-project/OpenSearch/pull/5878))