Bug 1641308: increasing minimum DTLS version from 1.0 to 1.2. r=dminor

Differential Revision: https://phabricator.services.mozilla.com/D77130

modules/libpref/init/all.js

@@ -497,13 +497,8 @@ pref("media.videocontrols.picture-in-picture.video-toggle.min-video-secs", 45);
   pref("media.peerconnection.mute_on_bye_or_timeout", false);
 
   // 770 = DTLS 1.0, 771 = DTLS 1.2, 772 = DTLS 1.3
-#if defined(NIGHTLY_BUILD)
   pref("media.peerconnection.dtls.version.min", 771);
   pref("media.peerconnection.dtls.version.max", 772);
-#else
-  pref("media.peerconnection.dtls.version.min", 770);
-  pref("media.peerconnection.dtls.version.max", 771);
-#endif
 
   // These values (aec, agc, and noise) are from:
   // media/webrtc/trunk/webrtc/modules/audio_processing/include/audio_processing.h