Fix examples section links in WebPubSub README (Azure#25653)

Author: scottaddie

sdk/webpubsub/azure-messaging-webpubsub/README.md

@@ -81,10 +81,10 @@ When the client is connected, it can send messages to the upstream application,
 
 ## Examples
 
-* [Broadcast message to entire hub](#broadcast-all "Broadcast message to entire hub")
-* [Broadcast message to a group](#broadcast-group "Broadcast message to a group")
-* [Send message to a connection](#send-to-connection "Send message to a connection")
-* [Send message to a user](#send-to-user "Send message to a user")
+* [Broadcast message to entire hub](#broadcast-message-to-entire-hub)
+* [Broadcast message to a group](#broadcast-message-to-a-group)
+* [Send message to a connection](#send-message-to-a-connection)
+* [Send message to a user](#send-message-to-a-user)
 
 ### Broadcast message to entire hub