Remove old papyrus sysml feature
Clone Papyrus Sysml metamodel projects from org.eclipse.papyrus git tag 1.0.0_RC4
Remove dependency to org.eclipse.papyrus.infra.emf from org.eclipse.papyrus.uml.extensionpoints by importing the EMFHelper class
Remove papyrus sysml dependencies in the target platform/feature and update the sysml build to integrate the papyrus cloned projects