cpumask: delete unused reset_cpu_possible_mask()

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Alexey Dobriyan <[email protected]>
Cc: Rasmus Villemoes <[email protected]>
Cc: Yury Norov <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: Alexey Dobriyan

include/linux/cpumask.h

@@ -1017,11 +1017,6 @@ void init_cpu_present(const struct cpumask *src);
 void init_cpu_possible(const struct cpumask *src);
 void init_cpu_online(const struct cpumask *src);
 
-static inline void reset_cpu_possible_mask(void)
-{
-	bitmap_zero(cpumask_bits(&__cpu_possible_mask), NR_CPUS);
-}
-
 static inline void
 set_cpu_possible(unsigned int cpu, bool possible)
 {