Fix generic and amazon compile

app/src/main/java/org/tasks/caldav/CaldavAccountSettingsActivity.java

@@ -19,7 +19,6 @@ import butterknife.BindView;
 import butterknife.ButterKnife;
 import butterknife.OnFocusChange;
 import butterknife.OnTextChanged;
-import com.google.android.gms.security.ProviderInstaller;
 import com.google.android.material.snackbar.Snackbar;
 import com.google.android.material.textfield.TextInputEditText;
 import com.google.android.material.textfield.TextInputLayout;
@@ -45,7 +44,6 @@ import org.tasks.injection.ForApplication;
 import org.tasks.injection.ThemedInjectingAppCompatActivity;
 import org.tasks.preferences.Preferences;
 import org.tasks.security.Encryption;
-import org.tasks.sync.SyncAdapters;
 import org.tasks.ui.DisplayableException;
 import org.tasks.ui.MenuColorizer;
 import timber.log.Timber;
@@ -60,7 +58,6 @@ public class CaldavAccountSettingsActivity extends ThemedInjectingAppCompatActiv
   @Inject Preferences preferences;
   @Inject Tracker tracker;
   @Inject CaldavDao caldavDao;
-  @Inject SyncAdapters syncAdapters;
   @Inject TaskDeleter taskDeleter;
   @Inject Encryption encryption;
   @Inject CaldavClient client;