Remove non Javadoc comments.

Closes #2699

src/main/java/org/springframework/data/mapping/Parameter.java

@@ -143,10 +143,6 @@ public class Parameter<T, P extends PersistentProperty<P>> {
 		return this.hasSpelExpression.get();
 	}
 
-	/*
-	 * (non-Javadoc)
-	 * @see java.lang.Object#equals(java.lang.Object)
-	 */
 	@Override
 	public boolean equals(Object o) {
 
@@ -173,10 +169,6 @@ public class Parameter<T, P extends PersistentProperty<P>> {
 		return ObjectUtils.nullSafeEquals(entity, parameter.entity);
 	}
 
-	/*
-	 * (non-Javadoc)
-	 * @see java.lang.Object#hashCode()
-	 */
 	@Override
 	public int hashCode() {
 		int result = ObjectUtils.nullSafeHashCode(name);

src/main/java/org/springframework/data/mapping/callback/EntityCallbackDiscoverer.java

@@ -272,11 +272,6 @@ class EntityCallbackDiscoverer {
 				&& callbackType.isAssignableFrom(ResolvableType.forInstance(callback));
 	}
 
-	/**
-	 * (non-Javadoc)
-	 *
-	 * @see org.springframework.beans.factory.BeanClassLoaderAware
-	 */
 	public void setBeanClassLoader(ClassLoader classLoader) {
 		this.beanClassLoader = classLoader;
 	}

src/main/java/org/springframework/data/mapping/model/InstantiationAwarePropertyAccessor.java

@@ -106,10 +106,6 @@ public class InstantiationAwarePropertyAccessor<T> implements PersistentProperty
 
 		this.bean = (T) instantiator.createInstance(owner, new ParameterValueProvider() {
 
-			/*
-			 * (non-Javadoc)
-			 * @see org.springframework.data.mapping.model.ParameterValueProvider#getParameterValue(org.springframework.data.mapping.PreferredConstructor.Parameter)
-			 */
 			@Override
 			@Nullable
 			@SuppressWarnings("null")