JCR-3833 LinkedHashMap#entrySet#iterator#remove no longer calls LinkedHashMap#remove, however LocalCache relies on that when it overrides the #remove method.
Note that this issue did not turn up during running the tests because TestLocalCache#testAutoPurge is disabled due to JCR-3806...

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/trunk@1643091 13f79535-47bb-0310-9956-ffa450edef68