[Notifications] Remove "Notifications" heading

It is redundant with the title added by system tray. Even when added standalone it is kind of obvious that this is notifications.
The clear button is moved next to the configure button.

Differential Revision: https://phabricator.kde.org/D21361

applets/notifications/package/contents/ui/FullRepresentation.qml

@@ -71,6 +71,7 @@ ColumnLayout{
 
         RowLayout {
             Layout.fillWidth: true
+            spacing: 0
 
             RowLayout {
                 id: dndRow
@@ -190,6 +191,13 @@ ColumnLayout{
                 Layout.fillWidth: true
             }
 
+            PlasmaComponents.ToolButton {
+                iconName: "edit-clear-history"
+                tooltip: i18n("Clear History")
+                visible: plasmoid.action("clearHistory").visible
+                onClicked: action_clearHistory()
+            }
+
             PlasmaComponents.ToolButton {
                 iconName: "configure"
                 // remove mnemonics
@@ -340,24 +348,6 @@ ColumnLayout{
                 prefix: "pressed"
             }
 
-            header: RowLayout {
-                width: list.width
-
-                PlasmaExtras.Heading {
-                    Layout.fillWidth: true
-                    level: 3
-                    opacity: 0.6
-                    text: list.count === 0 ? i18n("No unread notifications.") : i18n("Notifications")
-                }
-
-                PlasmaComponents.ToolButton {
-                    iconName: "edit-clear-history"
-                    tooltip: i18n("Clear History")
-                    visible: plasmoid.action("clearHistory").visible
-                    onClicked: action_clearHistory()
-                }
-            }
-
             add: Transition {
                 SequentialAnimation {
                     PauseAnimation { duration: units.longDuration }
@@ -557,6 +547,14 @@ ColumnLayout{
                     }
                 }
             }
+
+            PlasmaExtras.Heading {
+                width: list.width
+                level: 3
+                opacity: 0.6
+                text: i18n("No unread notifications.")
+                visible: list.count === 0
+            }
         }
     }
 }