Update Remove-UnifiedGroupLinks.md

Fixed missing LinkTypes

Author: thmeyer-msft

exchange/exchange-ps/exchange/users-and-groups/Remove-UnifiedGroupLinks.md

@@ -103,12 +103,16 @@ Accept wildcard characters: False
 ### -LinkType
 The LinkType parameter specifies the Office 365 Group property that you want to modify. Valid values are:
 
-- EventSubscribers
-
 - Members
 
 - Owners
 
+- Subscribers
+
+- Aggregators
+
+- EventSubscribers
+
 ```yaml
 Type: Members | Owners | Subscribers | Aggregators
 Parameter Sets: (All)