Update 5.27.2.md

Remove #1847 - the initial fix caused other regressions, and the full fix merits a longer incubation

release-notes/5.27.2.md

@@ -34,9 +34,6 @@ Released July 14, 2020
 * **_Search_: Incorrectly displays deleted contacts
   ([dev/core#1864](https://lab.civicrm.org/dev/core/-/issues/1864):
   [#17798](https://github.com/civicrm/civicrm-core/pull/17798))**
-* **_Search_: Date-time filters do not use preferred year-range
-  ([dev/core#1847](https://lab.civicrm.org/dev/core/-/issues/1847):
-  [#17762](https://github.com/civicrm/civicrm-core/pull/17762))**
 
 ## <a name="credits"></a>Credits