minor #14561 [DependencyInjection] Removed 3.3 DI changes article (wouterj)

This PR was merged into the 4.4 branch.

Discussion
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[DependencyInjection] Removed 3.3 DI changes article

This is the weirdest article in the documentation and I believe it doesn't make much sense to still have it in the 4.4 or 5.x documentations. If everything works as expected, this article will now redirect to the 3.4 version.

Commits
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cb81bde Removed 3.3 DI changes article

Author: javiereguiluz

_build/redirection_map

@@ -508,3 +508,4 @@
 /components/mailer /mailer
 /messenger/message-recorder messenger/dispatch_after_current_bus
 /components/stopwatch https://github.com/symfony/stopwatch
+/service_container/3.3-di-changes https://symfony.com/doc/3.4/service_container/3.3-di-changes.html