convert EcalMIPRecHitFilter, EcalSimpleUncalibRecHitFilter from HLTFilters into simpler edm::EDFilters
 - migrate from std::string to edm::InputTag
 - migrate to getByToken and consumes<>
 - migrate to getByToken and consumes<>
 - make configuration variables 'const'
add fillDescriptions
drop cfi files after moving the defaults to fillDescriptions
drop unused cfi file
propagate changes to HLTMuonPointingFilter to configurations using it
drop autogenerated empty documentation file
move the filters from EventFilter/Cosmics to HLTrigger/special