Removed extra bracket & empty list item

Author: jlattimer

powerapps-docs/developer/common-data-service/plug-ins.md

@@ -83,10 +83,10 @@ These topics provide details that you will use to create plug-ins.
 - [Handle exceptions](handle-exceptions.md)
 - [Register a plug-in](register-plug-in.md)
 - [Debug Plug-ins](debug-plug-in.md)
-- 
+ 
 These topics provide additional information about writing or debugging a plug-in, or analyzing its performance.
 
 - [Impersonate a user](impersonate-a-user.md)
 - [Tracing and logging](logging-tracing.md)
 - [Analyze performance](analyze-performance.md)
-- [Access external web resources](access-web-services.md)]
+- [Access external web resources](access-web-services.md)