signal/arm64: Remove arm64_force_sig_info

The function has no more callers so remove it.
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>

arch/arm64/include/asm/traps.h

@@ -39,7 +39,6 @@ void force_signal_inject(int signal, int code, unsigned long address);
 void arm64_notify_segfault(unsigned long addr);
 void arm64_force_sig_fault(int signo, int code, void __user *addr, const char *str);
 void arm64_force_sig_mceerr(int code, void __user *addr, short lsb, const char *str);
-void arm64_force_sig_info(struct siginfo *info, const char *str);
 
 /*
  * Move regs->pc to next instruction and do necessary setup before it

arch/arm64/kernel/traps.c

@@ -262,12 +262,6 @@ void arm64_force_sig_mceerr(int code, void __user *addr, short lsb,
 	force_sig_mceerr(code, addr, lsb, current);
 }
 
-void arm64_force_sig_info(struct siginfo *info, const char *str)
-{
-	arm64_show_signal(info->si_signo, str);
-	force_sig_info(info->si_signo, info, current);
-}
-
 void arm64_notify_die(const char *str, struct pt_regs *regs,
 		      int signo, int sicode, void __user *addr,
 		      int err)