Remove unused PCMCIA_CARD* macros.

Always include the card human readable name. We support ~270 cards and
at ~20 bytes each, this bloats things by only ~5k. Retain the
PCMCIA_CARD vs PCMCIA_CARD_D distinction, though, in case this is
intolerable.


git-svn-id: svn+ssh://svn.freebsd.org/base/head@275434 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f