Remove redundant semicolons.

src/main/java/org/apache/commons/collections4/bloomfilter/hasher/HashFunctionIdentity.java

@@ -98,7 +98,7 @@ public interface HashFunctionIdentity {
      */
     enum Signedness {
         SIGNED, UNSIGNED
-    };
+    }
 
     /**
      * An enum that identifies the process type of this function. <dl> <dt>Iterative
@@ -110,7 +110,7 @@ public interface HashFunctionIdentity {
      */
     enum ProcessType {
         CYCLIC, ITERATIVE
-    };
+    }
 
     /**
      * Gets the name of this hash function.

src/main/java/org/apache/commons/collections4/collection/PredicatedCollection.java

@@ -123,7 +123,7 @@ public class PredicatedCollection<E> extends AbstractCollectionDecorator<E> {
      */
     protected PredicatedCollection(final Collection<E> collection, final Predicate<? super E> predicate) {
         super(collection);
-        this.predicate = Objects.requireNonNull(predicate, "predicate");;
+        this.predicate = Objects.requireNonNull(predicate, "predicate");
         for (final E item : collection) {
             validate(item);
         }