Remove QE from 5.2.0 beta 2 release notes

Author: aclark4life

docs/releases/5.2.x.rst

@@ -124,7 +124,6 @@ New features
   :class:`~.fields.PolymorphicEmbeddedModelArrayField` for storing a model
   instance or list of model instances that may be of more than one model class.
 - Added :doc:`GeoDjango support </ref/contrib/gis>`.
-- Added :doc:`Queryable Encryption support </topics/queryable-encryption>`.
 
 Backwards incompatible changes
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