kill sparc32_open()

it's a copy of compat_sys_open()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

arch/sparc/kernel/sys32.S

@@ -101,7 +101,7 @@ SIGN1(sys32_getsid, sys_getsid, %o0)
 SIGN2(sys32_kill, sys_kill, %o0, %o1)
 SIGN1(sys32_nice, sys_nice, %o0)
 SIGN1(sys32_lseek, sys_lseek, %o1)
-SIGN2(sys32_open, sparc32_open, %o1, %o2)
+SIGN2(sys32_open, compat_sys_open, %o1, %o2)
 SIGN1(sys32_readlink, sys_readlink, %o2)
 SIGN1(sys32_sched_get_priority_max, sys_sched_get_priority_max, %o0)
 SIGN1(sys32_sched_get_priority_min, sys_sched_get_priority_min, %o0)

arch/sparc/kernel/sys_sparc32.c

@@ -337,16 +337,6 @@ long compat_sys_fadvise64_64(int fd,
 				advice);
 }
 
-/* This is just a version for 32-bit applications which does
- * not force O_LARGEFILE on.
- */
-
-asmlinkage long sparc32_open(const char __user *filename,
-			     int flags, int mode)
-{
-	return do_sys_open(AT_FDCWD, filename, flags, mode);
-}
-
 long sys32_lookup_dcookie(unsigned long cookie_high,
 			  unsigned long cookie_low,
 			  char __user *buf, size_t len)