MIPS: RM9000: Remove the now unused CPU_RM9000 definition.
MIPS: RM9000: Remove the now unused CPU_RM9000 definition.

Signed-off-by: Ralf Baechle <92f48d309cda194c8eda36aa8f9ae28c488fa208@linux-mips.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs