Merge pull request #566 from exercism/scrabble-score-cleanup

scrabble-score: remove unused import; clean up test formatting

exercises/scrabble-score/src/test/java/ScrabbleScoreTest.java

 import org.junit.Test;
-import org.junit.Ignore;
 import org.junit.runner.RunWith;
 import org.junit.runners.Parameterized;