Remove obsolete debug message for getAnswerCount

src/main/java/de/thm/arsnova/dao/CouchDBDao.java

@@ -561,7 +561,6 @@ public class CouchDBDao implements IDatabaseDao {
 
 	@Override
 	public final int getAnswerCount(final Question question, final int piRound) {
-		LOGGER.debug("coudbdao: getAnswerCount, piRound: ", piRound);
 		NovaView view = new NovaView("skill_question/count_total_answers_by_question_and_piround");
 		view.setGroup(true);
 		view.setStartKey(question.get_id(), String.valueOf(piRound));