jamiidentifier: remove useless mask

Change-Id: Ie7e1ae5e5be9b710f53e21cf51385ae8addb54f6

src/app/commoncomponents/JamiIdentifier.qml

@@ -41,15 +41,6 @@ Item {
         }
     }
 
-    Rectangle {
-        id: mask
-        anchors.fill: outerRow
-        radius: 5
-        visible: false
-        Scaffold {
-        }
-    }
-
     RowLayout {
         id: outerRow
         width: parent.width
@@ -66,13 +57,6 @@ Item {
                 "bl": 5
             }
 
-            layer {
-                enabled: true
-                effect: OpacityMask {
-                    maskSource: mask
-                }
-            }
-
             RowLayout {
                 width: parent.width
                 anchors.verticalCenter: parent.verticalCenter