Revert "Update loopback-recording.md (MicrosoftDocs#1069)"

This reverts commit 7346b6a.

Author: kanren3

desktop-src/CoreAudio/loopback-recording.md

@@ -52,8 +52,8 @@ If your audio adapter contains a hardware loopback device, you can use the Windo
 
 1.  To run Mmsys.cpl, open a Command Prompt window and enter the following command:
 
-    ```ps1
-    control mmsys.cpl
+    ```C++
+    control mmsys.cpl,,1
     ```