Minor cleanup
- Remove
mkHeteroCoercionType
,sdocImpredicativeTypes
,isStateType
(unused),isCoVar_maybe
(duplicated bygetCoVar_maybe
) - Replace a few occurrences of
voidPrimId
with(# #)
.void#
is a deprecated synonym for the unboxed tuple. - Use
showSDoc
in:show linker
. This makes it consistent with the other:show
commands