Revert "feat: Add EoS checker (#638)" (#639)

This reverts commit a49e4a7.

Author: xeniape

CHANGELOG.md

@@ -7,10 +7,6 @@ All notable changes to this project will be documented in this file.
 ### Added
 
 - Helm: Allow Pod `priorityClassName` to be configured ([#633]).
-- Add end-of-support checker ([#638]).
-  - `EOS_CHECK_MODE` (`--eos-check-mode`) to set the EoS check mode. Currently, only "offline" is supported.
-  - `EOS_INTERVAL` (`--eos-interval`) to set the interval in which the operator checks if it is EoS.
-  - `EOS_DISABLED` (`--eos-disabled`) to disable the EoS checker completely.
 
 ### Fixed
 
@@ -22,7 +18,6 @@ All notable changes to this project will be documented in this file.
 
 [#633]: https://github.com/stackabletech/hive-operator/pull/633
 [#636]: https://github.com/stackabletech/hive-operator/pull/636
-[#638]: https://github.com/stackabletech/hive-operator/pull/638
 
 ## [25.7.0] - 2025-07-23