Remove defaults from readme to match functionality

Author: unavailable-username

README.md

@@ -25,13 +25,9 @@ This action runs the Veracode Java Wrapper's 'upload and scan' action.
 ### `vid`
 **Required:** Veracode API ID.
 
-**Default:** '${{ secrets.VERACODE_ID }}'
-
 ### `vkey`
 **Required:** Veracode API key.
 
-**Default:** '${{ secrets.VERACODE_KEY }}'
-
 ## Example usage
 
 The following example will upload all files contained within the folder_to_upload to Veracode and start a static scan.