Revert MuonDetLayerGeometry using modules back to legacy type

We missed the fact that MuonDetLayerGeometry is not thread safe and
therefore all modules which use that class which were converted to
edm::stream::EDProducer<> must be reverted back to edm::EDProducer
so that the framework will treat them as thread unsafe.
Merge pull request #3490 from Dr15Jones/revertMuonDetLayerGeometryUsingModulesBackToLegacy

Multithreading -- Revert MuonDetLayerGeometry using modules back to legacy type