Revert Makefile changes from Yohei's branch to restore all the deleted filter stuff
Revert Makefile changes from Yohei's branch to restore all the deleted filter stuff

Revert "not-quite-working linear haplotype scorer. All methods called from sublinear-Li-Stephens pass tests but segfaults on vg test"

This reverts part of commit 38e7fba5080985c3235caad5f9e882d689e984c1.

ekg/vg,ekg/vg,ekg/vg