Remove entry from CHANGELOG. [ci skip]

Author: lohedges

doc/source/changelog.rst

@@ -15,8 +15,6 @@ organisation on `GitHub <https://github.com/openbiosim/sire>`__.
 `2025.2.0 <https://github.com/openbiosim/sire/compare/2025.1.0...2025.2.0>`__ - October 2025
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-* Please add an item to this CHANGELOG for any new features or bug fixes when creating a PR.
-
 * Add end-state coordinates properties to decoupled and annihilated molecules.
 
 * Map the end state coordinates property when constructing an ``AmberParams`` object when