opcodes: blackfin: drop null/nul checks in OUTS

opcodes: blackfin: drop null/nul checks in OUTS

Parts of the disassembler rely on the disasm info never being NULL (such
as being able to read memory to disassemble in the first place).  So drop
useless null checks in the OUTS helper.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>