MIPS: asm-offset.c: Delete unused irq_cpustat_t struct offsets.

Originally added in 05b541489c48e7fbeec19a92acf8683230750d0a [Merge with
Linux 2.5.5.] over 10 years ago but never been used.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/kernel/asm-offsets.c

@@ -12,7 +12,6 @@
 #include <linux/types.h>
 #include <linux/sched.h>
 #include <linux/mm.h>
-#include <linux/interrupt.h>
 #include <linux/kbuild.h>
 #include <linux/suspend.h>
 #include <asm/ptrace.h>
@@ -292,15 +291,6 @@ void output_signal_defined(void)
 	BLANK();
 }
 
-void output_irq_cpustat_t_defines(void)
-{
-	COMMENT("Linux irq_cpustat_t offsets.");
-	DEFINE(IC_SOFTIRQ_PENDING,
-			offsetof(irq_cpustat_t, __softirq_pending));
-	DEFINE(IC_IRQ_CPUSTAT_T, sizeof(irq_cpustat_t));
-	BLANK();
-}
-
 #ifdef CONFIG_CPU_CAVIUM_OCTEON
 void output_octeon_cop2_state_defines(void)
 {