lumpy: avoid running svtyper on exclusion regions
lumpy: avoid running svtyper on exclusion regions

High depth regions can end up in Lumpy calls despite the exclusion tag
resulting in long run times for svtyper. This removes them prior to
genotyping to avoid this. Thanks to @mjafin.

a113n/bcbio-nextgen,a113n/bcbio-nextgen,mjafin/bcbio-nextgen,mjafin/bcbio-nextgen,lbeltrame/bcbio-nextgen,gifford-lab/bcbio-nextgen,Cyberbio-Lab/bcbio-nextgen,vladsaveliev/bcbio-nextgen,gifford-lab/bcbio-nextgen,Cyberbio-Lab/bcbio-nextgen,gifford-lab/bcbio-nextgen,brainstorm/bcbio-nextgen,vladsaveliev/bcbio-nextgen,guillermo-carrasco/bcbio-nextgen,lpantano/bcbio-nextgen,lpantano/bcbio-nextgen,chapmanb/bcbio-nextgen,Cyberbio-Lab/bcbio-nextgen,biocyberman/bcbio-nextgen,biocyberman/bcbio-nextgen,biocyberman/bcbio-nextgen,guillermo-carrasco/bcbio-nextgen,lbeltrame/bcbio-nextgen,chapmanb/bcbio-nextgen,mjafin/bcbio-nextgen,a113n/bcbio-nextgen,lbeltrame/bcbio-nextgen,vladsaveliev/bcbio-nextgen,brainstorm/bcbio-nextgen,lpantano/bcbio-nextgen,guillermo-carrasco/bcbio-nextgen,brainstorm/bcbio-nextgen,chapmanb/bcbio-nextgen