[gnome-sound-recorder] Remove m4a support until it's fixed

[Bilal Elmoussaoui <bilelmoussaoui src gnome org>]

commit 6a300e7ca0ff121da548c87cdef834e1b1265838
Author: Sophie Herold <sophie hemio de>
Date:   Sun Nov 15 00:57:50 2020 +0000

    Remove m4a support until it's fixed

 data/org.gnome.SoundRecorder.gschema.xml.in | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/data/org.gnome.SoundRecorder.gschema.xml.in b/data/org.gnome.SoundRecorder.gschema.xml.in
index 4cf6c09..afe84b2 100644
--- a/data/org.gnome.SoundRecorder.gschema.xml.in
+++ b/data/org.gnome.SoundRecorder.gschema.xml.in
@@ -4,7 +4,6 @@
     <value nick='opus' value='1'/>
     <value nick='flac' value='2'/>
     <value nick='mp3' value='3'/>
-    <value nick='m4a' value='4'/>
   </enum>
   <enum id="@app-id@.AudioChannel">
     <value nick='stereo' value='0'/>