Bug 1687397 - Don't flash the microphone/camera icon during WebRTC in the identity panel. r=dao

Differential Revision: https://phabricator.services.mozilla.com/D105282

browser/themes/shared/controlcenter/panel.inc.css

@@ -785,11 +785,6 @@ description#identity-popup-content-verifier,
 .permission-popup-permission-icon.in-use {
   -moz-context-properties: fill;
   fill: rgb(224, 41, 29);
-  animation: 1.5s ease permission-popup-permission-icon-in-use-blink infinite;
-}
-
-@keyframes permission-popup-permission-icon-in-use-blink {
-  50% { opacity: 0; }
 }
 
 .protections-popup-category-label,

browser/themes/shared/identity-block/identity-block.inc.css

@@ -229,15 +229,10 @@
 }
 
 #webrtc-sharing-icon[sharing]:not([paused]) {
-  animation: 1.5s ease webrtc-sharing-icon-in-use-blink infinite;
   -moz-context-properties: fill;
   fill: rgb(224, 41, 29);
 }
 
-@keyframes webrtc-sharing-icon-in-use-blink {
-  50% { opacity: 0; }
-}
-
 /* TRACKING PROTECTION ICON */
 
 #tracking-protection-icon-container {