Reverting incorrect note

Author: gnongsie

README.md

@@ -2,12 +2,6 @@
 
 The CyberSource Java client provides convenient access to the [CyberSource REST API](https://developer.cybersource.com/api/reference/api-reference.html) from your Java application.
 
-## IMPORTANT NOTE:
-
-***Due to restrictions on Log4j2 v2.15.0, masking/hiding of sensitive data will not work for the time being.***
-
-***We will work to include it again in future versions.***
-
 ## Requirements
 
 Java 1.8.