Update MSRPRN_Printer_Bug_Exploitation.yaml

Hunting Queries/SecurityEvent/MSRPRN_Printer_Bug_Exploitation.yaml

@@ -4,7 +4,6 @@ description: |
   'This query detects potential attempts to remotely access to the print spooler service on Active Directory Domain Controllers which could indicate an exploitation of MS-RPRN printer bug from a server that is configured with unconstrained delegation.
    This query searches for the event id 5145 on Domain Controllers where the ShareName is "\\\*\IPC$" and the RelativeTargetName is "spoolss".
    Ref: https://medium.com/@riccardo.ancarani94/exploiting-unconstrained-delegation-a81eabbd6976#:~:text=The%20exploitation%20of%20unconstrained%20delegation,system%20with%20the%20delegation%20enabled.&text=but%20before%20doing%20that%20we,listen%20for%20incoming%20authenticated%20connections.'
-severity: High
 requiredDataConnectors:
   - connectorId: SecurityEvents
     dataTypes: