Remove @Override for consistency

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1083704 13f79535-47bb-0310-9956-ffa450edef68

src/main/java/org/apache/commons/math/linear/AbstractRealMatrix.java

@@ -152,7 +152,6 @@ public abstract class AbstractRealMatrix implements RealMatrix {
     }    
 
     /** {@inheritDoc} */
-    @Override
     public RealMatrix power(final int p) {
         if (p < 0) {
             throw new IllegalArgumentException("p must be >= 0");