Remove unused listener

Was previously used to add contact.
Avatar is now clickable: it opens conversation.

Change-Id: I9e1546fc6a8e6b7464a3e597faf27cf783910db6

ring-android/app/src/main/java/cx/ring/fragments/SmartListFragment.java

@@ -556,9 +556,4 @@ public class SmartListFragment extends BaseFragment<SmartListPresenter> implemen
     public void onItemLongClick(SmartListViewModel smartListViewModel) {
         presenter.conversationLongClicked(smartListViewModel);
     }
-
-    @Override
-    public void onPhotoClick(SmartListViewModel smartListViewModel) {
-        presenter.photoClicked(smartListViewModel);
-    }
 }

ring-android/app/src/main/java/cx/ring/viewholders/SmartListViewHolder.java

@@ -53,15 +53,12 @@ public class SmartListViewHolder extends RecyclerView.ViewHolder {
             clickListener.onItemLongClick(smartListViewModel);
             return true;
         });
-        photo.setOnClickListener(v -> clickListener.onPhotoClick(smartListViewModel));
     }
 
     public interface SmartListListeners {
         void onItemClick(SmartListViewModel smartListViewModel);
 
         void onItemLongClick(SmartListViewModel smartListViewModel);
-
-        void onPhotoClick(SmartListViewModel smartListViewModel);
     }
 
 }

ring-android/libringclient/src/main/java/cx/ring/smartlist/SmartListPresenter.java

@@ -190,10 +190,6 @@ public class SmartListPresenter extends RootPresenter<SmartListView> implements
         getView().displayConversationDialog(smartListViewModel);
     }
 
-    public void photoClicked(SmartListViewModel smartListViewModel) {
-        // ignored
-    }
-
     public void quickCallClicked() {
         if (mCallContact != null) {
             if (mCallContact.getPhones().size() > 1) {