minor #157 Removed duplicated code (lyrixx)
minor #157 Removed duplicated code (lyrixx)

This PR was merged into the 1.0-dev branch.

Discussion
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Removed duplicated code

Commits
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6060584 Removed duplicated code

javiereguiluz/symfony-installer,symfony/symfony-installer,jzawadzki/symfony-installer,TheKnarf/symfony-installer