fix origin of AcmeDemoBundle
remove origin of AcmeDemoBundle

I fixed a line break, too.
minor #3951 fix origin of AcmeDemoBundle (hice3000)

This PR was submitted for the master branch but it was merged into the 2.3 branch instead (closes #3951).

Discussion
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fix origin of AcmeDemoBundle

Commits
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2d85bd0 remove origin of AcmeDemoBundle
33dba96 fix origin of AcmeDemoBundle