[MIPS] Remove unused cpu_callout_map and num_booting_cpus()
[MIPS] Remove unused cpu_callout_map and num_booting_cpus()

Signed-off-by: Adrian Bunk <0b86548ef377da0031a3ff3f0c4e06f016e20105@stusta.de>
Signed-off-by: Ralf Baechle <92f48d309cda194c8eda36aa8f9ae28c488fa208@linux-mips.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs