Refactor asynctasks to Rxjava implementation (commons-app#2707)

Author: vanshikaarora

app/src/main/java/fr/free/nrw/commons/di/ActivityBuilderModule.java

@@ -65,7 +65,6 @@ public abstract class ActivityBuilderModule {
     @ContributesAndroidInjector
     abstract BookmarksActivity bindBookmarksActivity();
 
-
     @ContributesAndroidInjector
     abstract ReviewActivity bindReviewActivity();
 }

app/src/main/java/fr/free/nrw/commons/di/CommonsApplicationComponent.java

@@ -12,11 +12,9 @@
 import fr.free.nrw.commons.contributions.ContributionsSyncAdapter;
 import fr.free.nrw.commons.delete.DeleteTask;
 import fr.free.nrw.commons.modifications.ModificationsSyncAdapter;
-import fr.free.nrw.commons.review.CheckCategoryTask;
-import fr.free.nrw.commons.review.SendThankTask;
+import fr.free.nrw.commons.review.ReviewController;
 import fr.free.nrw.commons.settings.SettingsFragment;
 import fr.free.nrw.commons.nearby.PlaceRenderer;
-import fr.free.nrw.commons.settings.SettingsFragment;
 import fr.free.nrw.commons.upload.FileProcessor;
 import fr.free.nrw.commons.widget.PicOfDayAppWidget;
 
@@ -45,12 +43,10 @@ public interface CommonsApplicationComponent extends AndroidInjector<Application
 
     void inject(DeleteTask deleteTask);
 
-    void inject(CheckCategoryTask checkCategoryTask);
-
-    void inject(SendThankTask sendThankTask);
-
     void inject(SettingsFragment fragment);
 
+    void inject(ReviewController reviewController);
+
     @Override
     void inject(ApplicationlessInjection instance);