MainApp: Removed identical sub-expression in if statement.

This is almost certainly a mistake. Using the same value on either side of a binary operator makes no sense.

src/main/java/com/owncloud/android/MainApp.java

@@ -488,8 +488,7 @@ public class MainApp extends MultiDexApplication {
 
     private static void updateToAutoUpload() {
             Context context = getAppContext();
-            if (PreferenceManager.instantPictureUploadEnabled(context) ||
-                            PreferenceManager.instantPictureUploadEnabled(context)) {
+            if (PreferenceManager.instantPictureUploadEnabled(context)) {
 
                 // remove legacy shared preferences
                 SharedPreferences.Editor editor = PreferenceManager.getDefaultSharedPreferences(context).edit();