1181 Remove plot(1B), plot(4B), tplot(1)
Reviewed by: Gordon Ross <gordon.w.ross@gmail.com>
Reviewed by: Garrett D'Amore <garrett@damore.org>
Reviewed by: Richard Lowe <richlowe@richlowe.net>

@@ -79,11 +79,10 @@
         man3uuid        \
         man3volmgt      \
         man3xcurses     \
         man3xnet        \
         man4            \
-        man4b           \
         man5            \
         man7            \
         man7d           \
         man7fs          \
         man7i           \