nit (Azure#39651)

Author: l0lawrence

sdk/eventhub/azure-eventhub-checkpointstoreblob-aio/CHANGELOG.md

@@ -4,8 +4,6 @@
 
 This version and all future versions will require Python 3.8+. Python 2.7, 3.6, and 3.7 are no longer supported.
 
-- `aiohttp` dependency upper bound raised to `<5.0` to account for the custom built `aiohttp` that supports python 3.12. This change may be reverted prior to release.
-
 ### Bugs Fixed
 
 - Fixed a bug with `BlobCheckpointStore.claim_ownership` mutating the `ownership_list` argument to no longer mutate the argument.