tipar: remove obsolete module

The tipar character driver was used to implement bit-banging access
to Texas Instruments parallel link cable. A user-land method now 
exists thru PPDEV & PARPORT.
Signed-off-by: NRomain Liévin <roms@lpg.ticalc.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>