Removing legacy whatis button from titlebar

components/TitleBar.qml

@@ -120,32 +120,6 @@ Rectangle {
         visible: parent.customDecorations
         z: 2
 
-        Rectangle {
-            id: whatIsAreaButton
-            anchors.top: parent.top
-            anchors.bottom: parent.bottom
-            width: 42
-            color: containsMouse ? "#6B0072" : "#00000000"
-
-            Image {
-                anchors.centerIn: parent
-                width: 9
-                height: 16
-                source: "../images/question.png"
-            }
-
-            MouseArea {
-                id: whatIsArea
-                anchors.fill: parent
-                cursorShape: Qt.PointingHandCursor
-                onEntered: whatIsAreaButton.color = "#262626";
-                onExited: whatIsAreaButton.color = "transparent";
-                onClicked: {
-
-                }
-            }
-        }
-
         Rectangle {
             id: minimizeButton
             anchors.top: parent.top