minor: deleting whitespaces

Author: Rosander0

src/test/java/com/thealgorithms/machinelearning/MultinomialNaiveBayesClassifierTest.java

@@ -3,7 +3,6 @@
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.junit.jupiter.api.Assertions.assertTrue;
-
 import org.junit.jupiter.api.Test;
 
 class MultinomialNaiveBayesClassifierTest {
@@ -18,7 +17,7 @@ void predictsCorrectClassOnSeparableToyDataset() {
             {1, 5},
             {0, 6},
             {1, 4},
-            };
+        };
         int[] labels = {0, 0, 0, 1, 1, 1};
 
         MultinomialNaiveBayesClassifier classifier = new MultinomialNaiveBayesClassifier();