Removed the cache.adapter.array mention in 3.4 docs

Author: javiereguiluz

cache.rst

@@ -87,7 +87,6 @@ adapter (template) they use by using the ``app`` and ``system`` key like:
 The Cache component comes with a series of adapters already created:
 
 * :doc:`cache.adapter.apcu </components/cache/adapters/apcu_adapter>`
-* :doc:`cache.adapter.array </components/cache/adapters/array_cache_adapter>`
 * :doc:`cache.adapter.doctrine </components/cache/adapters/doctrine_adapter>`
 * :doc:`cache.adapter.filesystem </components/cache/adapters/filesystem_adapter>`
 * :doc:`cache.adapter.memcached </components/cache/adapters/memcached_adapter>`