Dont check activity

Signed-off-by: Mario Danic <mario@lovelyhq.com>

app/src/main/java/com/nextcloud/talk/controllers/CallController.java

@@ -422,7 +422,7 @@ public class CallController extends BaseController {
 
     @AfterPermissionGranted(100)
     private void onPermissionsGranted() {
-        if (getActivity() != null && EffortlessPermissions.hasPermissions(getActivity(), PERMISSIONS_CALL)) {
+        if (EffortlessPermissions.hasPermissions(getActivity(), PERMISSIONS_CALL)) {
             if (!videoOn && !isVoiceOnlyCall) {
                 onCameraClick();
             }