delete_entry

# File activesupport/lib/active_support/cache/mem_cache_store.rb, line 146
        def delete_entry(key, options) # :nodoc:
          @data.delete(escape_key(key))
        rescue Dalli::DalliError => e
          logger.error("DalliError (#{e}): #{e.message}") if logger
          false
        end