get rid of unused __strncpy_from_user() instances

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

arch/m32r/lib/usercopy.c

@@ -88,14 +88,6 @@ do {									\
 
 #endif /* CONFIG_ISA_DUAL_ISSUE */
 
-long
-__strncpy_from_user(char *dst, const char __user *src, long count)
-{
-	long res;
-	__do_strncpy_from_user(dst, src, count, res);
-	return res;
-}
-
 long
 strncpy_from_user(char *dst, const char __user *src, long count)
 {