[formrecognizer] Fix CHANGELOG (#16868)

This blocked our release after approving it.

sdk/formrecognizer/ai-form-recognizer/CHANGELOG.md

@@ -1,6 +1,6 @@
 # Release History
 
-## 3.2.0 (2021-08-10)
+## 3.2.0 (2021-08-11)
 
 ### Features Added
 
@@ -9,8 +9,6 @@
 - Changed TS compilation target to
   ES2017 in order to produce smaller bundles and use more native platform features
 
-### Breaking Changes
-
 ### Key Bugs Fixed
 
 - Fixed an issue in which form recognition would sometimes fail due to encountering an element reference pointing to a selection mark, causing an exception to be thrown. These references are now handled correctly.