PIM-2730: Use smart registry in repository DI
PIM-2730: Use smart registry for repositories DI
PIM-2730: Define media repository as agnostic one
Revert "PIM-2730: Use smart registry in repository DI"

This reverts commit ade1f5ef0012055dede765a4a7ed8898c092fc60.
PIM-2730: Revert some changes
PIM-2730: Remove useless media repository
PIM-2730: Remove useless media repository
PIM-2730: Remove useless repository
Merge branch 'PIM-2730' of github.com:akeneo/pim-community-dev into PIM-2730

Conflicts:
	src/Pim/Bundle/CatalogBundle/Resources/config/repositories.yml
Merge pull request #1129 from akeneo/PIM-2730

[WIP] PIM-2730: Use smart registry