vlcrc allow only one instance

etc/skel/.config/vlc/vlcrc

@@ -659,7 +659,7 @@
 [freetype] # Freetype2 font renderer
 
 # Font (string)
-freetype-font=Noto Sans
+#freetype-font=Serif Bold
 
 # Monospace Font (string)
 #freetype-monofont=Monospace
@@ -1616,7 +1616,7 @@ qt-continue=2
 #qt-slider-colours=153;210;153;20;210;20;255;199;15;245;39;29
 
 # Ask for network policy at start (boolean)
-qt-privacy-ask=0
+#qt-privacy-ask=1
 
 # Define which screen fullscreen goes (integer)
 #qt-fullscreen-screennumber=-1
@@ -2154,10 +2154,10 @@ qt-privacy-ask=0
 #sout-x264-stats=x264_2pass.log
 
 # Default preset setting used (string)
-sout-x264-preset=ultrafast
+#sout-x264-preset=
 
 # Default tune setting used (string)
-sout-x264-tune=film
+#sout-x264-tune=
 
 # x264 advanced options (string)
 #sout-x264-options=
@@ -3781,7 +3781,7 @@ sout-x264-tune=film
 #audio-time-stretch=1
 
 # Audio output module (string)
-aout=any
+#aout=
 
 # Media role (string)
 #role=video
@@ -3919,7 +3919,7 @@ aout=any
 #deinterlace-mode=auto
 
 # Video output module (string)
-vout=any
+#vout=
 
 # Video filter module (string)
 #video-filter=
@@ -4219,7 +4219,7 @@ vout=any
 #repeat=0
 
 # Play and exit (boolean)
-play-and-exit=1
+#play-and-exit=0
 
 # Play and stop (boolean)
 #play-and-stop=0
@@ -4264,7 +4264,7 @@ one-instance=1
 #preparse-timeout=5000
 
 # Allow metadata network access (boolean)
-metadata-network-access=1
+#metadata-network-access=0
 
 # Subdirectory behavior (string)
 #recursive=collapse