removed more references to documentation from external sources

Author: fabpot

book/doctrine.rst

@@ -1399,8 +1399,8 @@ For more information about Doctrine, see the *Doctrine* section of the
 
 * :doc:`/cookbook/doctrine/common_extensions`
 * :doc:`/cookbook/doctrine/console`
-* :doc:`DoctrineFixturesBundle`
-* :doc:`DoctrineMongoDBBundle`
+* `DoctrineFixturesBundle`_
+* `DoctrineMongoDBBundle`_
 
 .. _`Doctrine`: http://www.doctrine-project.org/
 .. _`MongoDB`: http://www.mongodb.org/

book/http_cache.rst

@@ -764,7 +764,7 @@ at some interval (the expiration) to verify that the content is still valid.
 
     You can also define HTTP caching headers for expiration and validation by using
     annotations. See the
-    :doc:`FrameworkExtraBundle documentation </bundles/SensioFrameworkExtraBundle/annotations/cache>`.
+    `FrameworkExtraBundle documentation <http://symfony.com/doc/current/bundles/SensioFrameworkExtraBundle/annotations/cache.html>`_.
 
 .. index::
     pair: Cache; Configuration