merged branch vicb/perf-array (PR #1516)
merged branch vicb/perf-array (PR #1516)

Commits
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2af2260 Remove useless code

Discussion
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Remove useless code

This PR is about removing useless code which could benefit to perfomances.

Credits go to [Jordi](https://github.com/symfony/symfony/commit/000229dbd0d161f1eebe) for this.

As a minor modif, I can understand if this could not be merged while in RC.

symfony/framework-bundle