tedu and friends

appletalk removed from kernel
portalfs removed
NNPFS disabled
bluetooth disabled
COMPAT_AOUT disabled
mms(4)/lms(4)/pss(4)/mcd(4)/scd(4) removed
COMPAT_SVR4/COMPAT_FREEBSD removed
COMPAT_{09,10,25,35,OLDSOCK,VAX1K} removed
vnd removed, svnd renamed to vnd
groff removed (mandoc suits us wonderfully)
EGA driver removed
timed(8)/timedc(8) removed
rogue removed (has been unlinked for 8 years)
GART based iommu code removed