Removed checkBound tests
Removed checkBound tests

They were too sweeping, served essentially as smkoke-screens for debugging until
now. Example:

  checkBound(P, P | T)

would fail even though P | T is a legal upper bound for P. (It's an illegal
lower bound).

sjrd/dotty,vsalvis/dotty,svalaskevicius/dotty,dotty-staging/dotty,lampepfl/dotty,sjrd/dotty,angi2/dotty,yusuke2255/dotty,VladimirNik/dotty,som-snytt/dotty,yusuke2255/dotty,vsalvis/dotty,spetz911/dotty,spetz911/dotty,lampepfl/dotty,auvik/dotty,densh/dotty,auvik/dotty,densh/dotty,sjrd/dotty,som-snytt/dotty,som-snytt/dotty,lampepfl/dotty,reactormonk/dotty,folone/dotty,dotty-staging/dotty,dotty-staging/dotty,lampepfl/dotty,AlexSikia/dotty,reactormonk/dotty,som-snytt/dotty,som-snytt/dotty,folone/dotty,lampepfl/dotty,AlexSikia/dotty,svalaskevicius/dotty,dotty-staging/dotty,sjrd/dotty,angi2/dotty,sjrd/dotty,dotty-staging/dotty,VladimirNik/dotty