user_settings.sample.py: Change media converter GST debug channel name.

CW-Bug-Id: #23225

Author: ziqingh

user_settings.sample.py

@@ -31,7 +31,7 @@
     #general purpose media logging
 #    "GST_DEBUG": "4",
     #or, verbose converter logging (may impact playback performance):
-#    "GST_DEBUG": "4,WINE:7,protonaudioconverter:7,protonaudioconverterbin:7,protonvideoconverter:7",
+#    "GST_DEBUG": "4,WINE:7,protonmediaconverter:7",
     "GST_DEBUG_NO_COLOR": "1",
 
     #Enable DXVK's HUD