Remove deprecated plugins

* Moved to https://git.fortiss.org/af3/verification
  org.fortiss.af3.msc
  org.fortiss.af3.msc.ui
  org.fortiss.af3.ocra
  org.fortiss.af3.refinement
  org.fortiss.af3.refinement.ui
  org.fortiss.af3.specification
  org.fortiss.af3.specification.ui
  org.fortiss.af3.testing
  org.fortiss.af3.testing.ui
  org.fortiss.af3.tools
  org.fortiss.pragmatictransformation
* Moved to https://git.fortiss.org/af3/beaglebone
  org.fortiss.af3.beaglebone
  org.fortiss.af3.beaglebone.ui

Issue-Ref: 3861
Issue-Url: https://af3-developer.fortiss.org/issues/3861



Signed-off-by: Simon Barner <barner@fortiss.org>