Cleanup changelog (Azure#28580)

Author: xiangyan99

sdk/search/azure-search-documents/CHANGELOG.md

@@ -1,17 +1,11 @@
 # Release History
 
-## 11.4.0b3 (Unreleased)
+## 11.4.0b3 (2023-02-07)
 
 ### Features Added
 
 - Added the semantic reranker score and captions on `SearchResult`.(thanks to @LucasVascovici for the contribution)
 
-### Breaking Changes
-
-### Bugs Fixed
-
-### Other Changes
-
 ## 11.4.0b2 (2022-11-08)
 
 ### Features Added