remove destructor given unerliable

public/webrtc.js

@@ -127,17 +127,6 @@ class RTC {
             this.streams[stream.id] = new Remote(stream.id, stream);
          });
       };
-      this.conn.oniceconnectionstatechange = (event) => {
-         switch (this.conn.iceConnectionState) {
-            case "disconnected":
-            case "failed":
-            case "closed":
-               for (var k in this.streams) {
-                  this.streams[k].destructor();
-                  delete this.streams[k];
-               }
-         }
-      };
       this.conn.addStream(stream);
    }