Removes state median income calcs, leave explanation and links
Removes state median income calcs, leave explanation and links

These values don't seem to be used for anything other than HUD's
own calculations, and are very limited besides. See note and links
for further details.

knod/cliff-effects-1,shp54/cliff-effects,codeforboston/cliff-effects,shp54/cliff-effects,scapp281/cliff-effects,knod/cliff-effects-1,codeforboston/cliff-effects,scapp281/cliff-effects