cpumask: remove cpu_coregroup_map: x86

Impact: cleanup

cpu_coregroup_mask is the New Hotness.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

arch/x86/include/asm/topology.h

@@ -244,7 +244,6 @@ static inline int node_to_first_cpu(int node)
 }
 #endif
 
-extern cpumask_t cpu_coregroup_map(int cpu);
 extern const struct cpumask *cpu_coregroup_mask(int cpu);
 
 #ifdef ENABLE_TOPO_DEFINES

arch/x86/kernel/smpboot.c

@@ -428,11 +428,6 @@ const struct cpumask *cpu_coregroup_mask(int cpu)
 		return &c->llc_shared_map;
 }
 
-cpumask_t cpu_coregroup_map(int cpu)
-{
-	return *cpu_coregroup_mask(cpu);
-}
-
 static void impress_friends(void)
 {
 	int cpu;