Merge pull request #4629 from nextcloud/ezaquarii/remove-sticky-headers-code

Remove sticky headers from activities list view

src/main/java/com/owncloud/android/ui/activities/ActivitiesActivity.java

@@ -175,7 +175,6 @@ public class ActivitiesActivity extends FileActivity implements ActivityListInte
         LinearLayoutManager layoutManager = new LinearLayoutManager(this);
 
         recyclerView.setLayoutManager(layoutManager);
-        recyclerView.addItemDecoration(new StickyHeaderItemDecoration(adapter));
         recyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {
 
             @Override