Update introduction for Exam AZ-104 preparation

Clarified the module concepts covered for Exam AZ-104.

Author: staleycyn

learn-pr/wwl-azure/configure-azure-files-file-sync/includes/1-introduction.md

@@ -13,7 +13,7 @@ In this module, you learn how to:
 
 ## Skills measured
 
-The content in the module helps you prepare for [Exam AZ-104: Microsoft Azure Administrator](/credentials/certifications/resources/study-guides/az-104). The module concepts are covered in:
+The content in the module helps you prepare for [Exam AZ-104: Microsoft Azure Administrator](/credentials/certifications/resources/study-guides/az-104). 
 
 
 ## Prerequisites