getopt-susv3: remove call to gettext `_` macro

getopt-susv3.c is only compiled when UCLIBC_HAS_GNU_GETOPT is off (e.g.
allnoconfig) so when libintl support was removed this file was left behind

Fixes: 50aba30ae ("remove libintl stub and libintl.h header")
Signed-off-by: Charles Mirabile <cmirabil@redhat.com>

libc/unistd/getopt-susv3.c

@@ -93,7 +93,7 @@ int getopt(int argc, char * const argv[], const char *optstring)
 #ifdef __BCC__
 					fprintf(stderr, "%s: %s -- %c\n", argv[0], s, *o);
 #else
-					fprintf(stderr, _(s), argv[0], *o);
+					fprintf(stderr, s, argv[0], *o);
 #endif
 				}
 			}