fix: bar power button off center

Closes caelestia-dots#1627

Author: soramanew

modules/bar/components/Power.qml

@@ -25,7 +25,6 @@ Item {
         id: icon
 
         anchors.centerIn: parent
-        anchors.horizontalCenterOffset: -1
 
         text: "power_settings_new"
         color: Colours.palette.m3error