Remove old FastScroller

Not sure if this will return to the download queue screen, you really
shouldn't be downloading a ton of stuff at once anyway?

app/src/main/java/eu/kanade/tachiyomi/util/system/DisplayExtensions.kt

@@ -3,9 +3,7 @@ package eu.kanade.tachiyomi.util.system
 import android.app.Activity
 import android.content.Context
 import android.content.res.Configuration
-import android.content.res.Resources
 import android.os.Build
-import android.view.View
 import eu.kanade.domain.ui.UiPreferences
 import eu.kanade.domain.ui.model.TabletUiMode
 import uy.kohesive.injekt.Injekt
@@ -64,18 +62,6 @@ fun Context.isNightMode(): Boolean {
     return resources.configuration.uiMode and Configuration.UI_MODE_NIGHT_MASK == Configuration.UI_MODE_NIGHT_YES
 }
 
-val Resources.isLTR
-    get() = configuration.layoutDirection == View.LAYOUT_DIRECTION_LTR
-
-/**
- * Converts to px and takes into account LTR/RTL layout.
- */
-val Float.dpToPxEnd: Float
-    get() = (
-        this * Resources.getSystem().displayMetrics.density *
-            if (Resources.getSystem().isLTR) 1 else -1
-        )
-
 /**
  * Checks whether if the device has a display cutout (i.e. notch, camera cutout, etc.).
  *