DOCSP-16424 remove SERVER-56307 from 4.0.25 release notes top5

Author: andf-mongodb

source/includes/changelogs/releases/4.0.25.rst

@@ -43,7 +43,6 @@ Internals
 - :issue:`SERVER-55019` install_compass does not run on all supported platforms
 - :issue:`SERVER-56164` All performance projects use the master DSI branch
 - :issue:`SERVER-56217` PoolForHost::_maxInUse is init to <int>::max and cannot be changed, and when connections are maxed DBConnectionPool::get() always throws
-- :issue:`SERVER-56307` The chunk migration "convergence algorithm" is very primitive
 - :issue:`SERVER-56361` Better FTDC diagnostics of RSM, including server-side isMaster handling
 - :issue:`SERVER-56371` Upgrade timelib to 2021.06
 - :issue:`SERVER-56373` [RRFaM] When writing FaM images to txn table, write oplog entries with `needsRetryImage`

source/release-notes/4.0.txt

@@ -24,8 +24,6 @@ Issues fixed:
   ShardServerCatalogCacheLoader to consider different terms
 - :issue:`SERVER-56854` Provide the ability for RSM requests to timeout
   and mark the server as failed
-- :issue:`SERVER-56307` The chunk migration "convergence algorithm" is
-  very primitive
 - :issue:`SERVER-56217` PoolForHost::_maxInUse is init to <int>::max and
   cannot be changed, and when connections are maxed
   DBConnectionPool::get() always throws