qml: remove the effect from playlist overlay menu

Visual pleasure the effect provides is not justified due to the side effects the effect causes.

modules/gui/qt/playlist/qml/PlaylistListView.qml

@@ -20,7 +20,6 @@ import QtQuick.Controls 2.4
 import QtQuick.Templates 2.4 as T
 import QtQuick.Layouts 1.11
 import QtQml.Models 2.2
-import QtGraphicalEffects 1.0
 
 import org.videolan.vlc 0.1
 
@@ -144,8 +143,6 @@ Control {
             isRight: true
             rightPadding: VLCStyle.margin_xsmall + VLCStyle.applicationHorizontalMargin
             bottomPadding: VLCStyle.margin_large + root.bottomPadding
-
-            effectSource: contentItem
         }
     }
 

modules/gui/qt/widgets/qml/OverlayMenu.qml

@@ -57,8 +57,6 @@ FocusScope {
         listView.resetStack()
     }
 
-    property alias effectSource: effect.source
-
     property alias scrollBarActive: scrollBar.active
 
     visible: false
@@ -103,9 +101,11 @@ FocusScope {
         }
     }
 
-    Item {
+    Rectangle {
         id: parentItem
 
+        color: root.colors.bg
+
         anchors {
             top: parent.top
             bottom: parent.bottom
@@ -114,6 +114,7 @@ FocusScope {
             left: isRight ? undefined : parent.left
         }
 
+        // TODO: Qt >= 5.12 use TapHandler
         MouseArea {
             anchors.fill: parent
             hoverEnabled: true
@@ -121,18 +122,6 @@ FocusScope {
             acceptedButtons: Qt.NoButton
         }
 
-        FrostedGlassEffect {
-            id: effect
-            anchors.fill: parent
-
-            source: backgroundItem
-
-            tint: VLCStyle.colors.topBanner
-
-            tintStrength: 0.0
-            exclusionStrength: 0.1
-        }
-
         ListView {
             id: listView