Removed the custom BeanPropertyAccessor implementation that was introduced to compensate for the removal of BeanWrapper in Spring Data Commons. That removal however was already preceded by an alternative way to obtain a PropertyAccessor via the PersistentEntity, which is what we're now doing.(cherry picked from commit 85c333dfc582719229fee006e538ff77f569a242) Signed-off-by: John Blum <jblum@pivotal.io>