TAB-5077 : simpler solution : removing the cacheEventListener altogether - confirmed with Gary it was not used in the TMC, since the user can see the cache was cleared when the count falls down to 0

git-svn-id: http://svn.terracotta.org/svn/ehcache@9311 b9324663-ca0f-0410-8574-be9b3887307d
TAB-5077 : merged from 2.9.x

git-svn-id: http://svn.terracotta.org/svn/ehcache@9312 b9324663-ca0f-0410-8574-be9b3887307d
TAB-5077 : merged from 2.9.x

git-svn-id: http://svn.terracotta.org/svn/ehcache@9313 b9324663-ca0f-0410-8574-be9b3887307d