Remove redundant generic spec.

src/main/java/org/apache/commons/collections4/CollectionUtils.java

@@ -1829,7 +1829,7 @@ public class CollectionUtils {
                     "The sum of start index and count can't be greater than the size of collection.");
         }
 
-        Collection<E> result = new ArrayList<E>(count);
+        Collection<E> result = new ArrayList<>(count);
         Iterator<E> iterator = input.iterator();
         while (count > 0) {
             if (startIndex > 0) {