remove useless margin stuff

modules/bar/Pw.qml

@@ -9,13 +9,9 @@ import qs.settings
 WrapperRectangle {
     id: root
     color: Colors.base01
-    required property int barHeight
-    property double vertMargin: barHeight / 4 - 4
     property PwNode defaultAudio: Pipewire.ready ? Pipewire.preferredDefaultAudioSink : null
     property bool mute: Pipewire.ready ? defaultAudio?.audio.muted : null
     radius: Config.rounding
-    topMargin: vertMargin
-    bottomMargin: vertMargin
     leftMargin: 8
     rightMargin: 8
     function getVolumeIcon() {