Update xml/System.Diagnostics/Debugger.xml

Co-authored-by: Genevieve Warren <[email protected]>

Author: tommcdon

xml/System.Diagnostics/Debugger.xml

@@ -220,7 +220,7 @@ Console.WriteLine("Hello, world.");
       <Docs>
         <param name="exception">The user-unhandled exception.</param>
         <summary>
-          <para>Signals a breakpoint to an attached debugger with the <paramref name="exception" /> details if a .NET debugger is attached with break on user-unhandled exception enabled and a method attributed with DebuggerDisableUserUnhandledExceptionsAttribute calls this method.</para>
+          Signals a breakpoint to an attached debugger with the <paramref name="exception" /> details if a .NET debugger is attached with break on user-unhandled exception enabled and a method attributed with DebuggerDisableUserUnhandledExceptionsAttribute calls this method.
         </summary>
         <remarks>
           <format type="text/markdown"><![CDATA[