Remove entry from DataFactories change log

Author: cormacpayne

src/ResourceManager/DataFactories/ChangeLog.md

@@ -18,14 +18,6 @@
         - Additional information about change #1
 -->
 ## Current Release
- * Updated the ADF .Net SDK to version 0.6.0-preview containing the following changes:
-    - Added new AzureDatabricks LinkedService and DatabricksNotebook Activity
-    - Added headNodeSize and dataNodeSize properties in HDInsightOnDemand LinkedService
-    - Added LinkedService, Dataset, CopySource for SalesforceMarketingCloud
-    - Added support for SecureOutput on all activities 
-    - Added new BatchCount property on ForEach activity which control how many concurrent activities to run
-    - Added new Filter Activity
-    - Added Linked Service Parameters support
 
 ## Version 4.2.0
 * Fix credential encryption issue that caused no meaningful error for some encryption operations