docs: remove CHANGELOG file

CHANGELOG.md

-## [2.6.1](https://dev.quiqqer.com/quiqqer/test/compare/2.6.0...2.6.1) (2023-03-29)
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-### Bug Fixes
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-* new gitlab-ci test ([c5ca034](https://dev.quiqqer.com/quiqqer/test/commit/c5ca034bf96c662c722ebe4682903f0a7230be06))
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-# [2.6.0](https://dev.quiqqer.com/quiqqer/test/compare/2.5.2...2.6.0) (2023-03-29)
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-### Features
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-* removes stages from .gitlab-ci.yml ([7323f97](https://dev.quiqqer.com/quiqqer/test/commit/7323f973393fdb88e807753fb58786f209beddb1))
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-## [2.5.2](https://dev.quiqqer.com/quiqqer/test/compare/2.5.1...2.5.2) (2023-03-29)
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-### Bug Fixes
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-* GITLAB_TOKEN test ([aa34b46](https://dev.quiqqer.com/quiqqer/test/commit/aa34b4636a3cbc2db22b2729f6bcc7078cf9d3a6))
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-## [2.5.1](https://dev.quiqqer.com/quiqqer/test/compare/2.5.0...2.5.1) (2023-03-29)
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-### Bug Fixes
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-* testing next branch again ([32580ed](https://dev.quiqqer.com/quiqqer/test/commit/32580ed0f128513153bca9ed59d458a3c3b61ac6))