Aperture: Drop unnecessary 'sharedPreferences.'

Change-Id: I476c67173b247fc5abf1c6db6b39c56a09058e3b
diff --git a/app/src/main/java/org/lineageos/aperture/MainActivity.kt b/app/src/main/java/org/lineageos/aperture/MainActivity.kt
index 8436d2f..9accf30 100644
--- a/app/src/main/java/org/lineageos/aperture/MainActivity.kt
+++ b/app/src/main/java/org/lineageos/aperture/MainActivity.kt
@@ -639,7 +639,7 @@
         }
 
         // Fallback to highest supported video quality
-        if (!camera.supportedVideoQualities.contains(sharedPreferences.videoQuality)) {
+        if (!camera.supportedVideoQualities.contains(videoQuality)) {
             sharedPreferences.videoQuality = camera.supportedVideoQualities.first()
         }