Remove zscaler from local proxies listed as examples

ZScaler is actually not a local proxy and seems to not effect web content filtering after all. Removing this reference to avoid confusing customers

Author: goodboyrobot

defender-endpoint/web-content-filtering.md

@@ -43,7 +43,7 @@ Configure policies across your device groups to block certain categories. Blocki
 Web content filtering is available on the major web browsers, with blocks performed by Windows Defender SmartScreen (Microsoft Edge) and network protection (Chrome, Firefox, Brave, and Opera). For more information about browser support, see the [prerequisites](#prerequisites) section.
 
 > [!NOTE]
-> Web content filtering does not apply policies to isolated browser sessions (i.e. Microsoft Defender Application Guard). The feature is also restricted to specific browsers via process name. This means that web content filtering doesn't work when there is a local proxy application in place (such as Fiddler, ZScaler), due to the process name being masked.
+> Web content filtering does not apply policies to isolated browser sessions (i.e. Microsoft Defender Application Guard). The feature is also restricted to specific browsers via process name. This means that web content filtering doesn't work when there is a local proxy application in place (such as Fiddler), due to the process name being masked.
 
 ## Benefits of web content filtering