minor symfony#10048 Remove redundant example configuration value (codedmonkey)

This PR was merged into the 3.4 branch.

Discussion
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Remove redundant example configuration value

Fixes a small issue that was pointed out by @xabbuh in symfony#10041 (review)

Commits
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594cf2c Remove redundant example configuration value

Author: javiereguiluz

service_container/alias_private.rst

@@ -174,7 +174,6 @@ The following example shows how to inject an anonymous service into another serv
                 arguments:
                     - !service
                         class: AppBundle\AnonymousBar
-                        autowire: true
 
     .. code-block:: xml