queue: remove fast scroller

Temporarily remove the fast scroller for now, as I want to bundle it
with adding a scroller to the detail view in a single release.

app/src/main/java/org/oxycblt/auxio/image/ImageGroup.kt

@@ -96,7 +96,10 @@ constructor(context: Context, attrs: AttributeSet? = null, @AttrRes defStyleAttr
         invalidateIndicator()
     }
 
-    fun updateIndicator(isActive: Boolean, isPlaying: Boolean) {}
+    override fun setEnabled(enabled: Boolean) {
+        super.setEnabled(enabled)
+        invalidateIndicator()
+    }
 
     var isPlaying: Boolean
         get() = indicator.isPlaying
@@ -104,11 +107,6 @@ constructor(context: Context, attrs: AttributeSet? = null, @AttrRes defStyleAttr
             indicator.isPlaying = value
         }
 
-    override fun setEnabled(enabled: Boolean) {
-        super.setEnabled(enabled)
-        invalidateIndicator()
-    }
-
     private fun invalidateIndicator() {
         if (isActivated) {
             alpha = 1f

app/src/main/res/layout/fragment_queue.xml

@@ -5,7 +5,7 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
-    <org.oxycblt.auxio.ui.fastscroll.FastScrollRecyclerView
+    <org.oxycblt.auxio.ui.recycler.AuxioRecyclerView
         android:id="@+id/queue_recycler"
         style="@style/Widget.Auxio.RecyclerView.Linear"
         android:layout_width="match_parent"