Fixed build warnings

Fixed two @OverRide build warnings.

Author: ptnplanet

src/main/java/de/daslaboratorium/machinelearning/classifier/Classifier.java

@@ -270,7 +270,6 @@ public int categoryCount(K category) {
     /**
      * {@inheritDoc}
      */
-    @Override
     public float featureProbability(T feature, K category) {
         if (this.categoryCount(category) == 0)
             return 0;

src/main/java/de/daslaboratorium/machinelearning/classifier/bayes/BayesClassifier.java

@@ -73,7 +73,6 @@ private SortedSet<Classification<T, K>> categoryProbabilities(
                 new TreeSet<Classification<T, K>>(
                         new Comparator<Classification<T, K>>() {
 
-                    @Override
                     public int compare(Classification<T, K> o1,
                             Classification<T, K> o2) {
                         int toReturn = Float.compare(