Remove duplicate delimiting character

src/main/java/at/ac/uibk/gitsearch/repository/search/MetaDataRepository.java

@@ -216,7 +216,7 @@ public class MetaDataRepository {
 	}
 
 	private static List<String> split(String s) {
-		StringTokenizer st = new StringTokenizer(s, " \t\n\r\f ");
+		StringTokenizer st = new StringTokenizer(s, " \t\n\r\f");
 		List<String> result = new ArrayList<>();
 		while (st.hasMoreTokens()) {
 			result.add(st.nextToken());