Hide webtoon reader scrollbars

Fixes #8676

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonRecyclerView.kt

@@ -40,6 +40,11 @@ class WebtoonRecyclerView @JvmOverloads constructor(
     var tapListener: ((MotionEvent) -> Unit)? = null
     var longTapListener: ((MotionEvent) -> Boolean)? = null
 
+    init {
+        isVerticalScrollBarEnabled = false
+        isHorizontalScrollBarEnabled = false
+    }
+
     override fun onMeasure(widthSpec: Int, heightSpec: Int) {
         halfWidth = MeasureSpec.getSize(widthSpec) / 2
         halfHeight = MeasureSpec.getSize(heightSpec) / 2