removed unused declaration

asn1c/unber.c

@@ -775,4 +775,3 @@ asn_dec_rval_t OCTET_STRING_decode_uper(asn_codec_ctx_t *ctx, asn_TYPE_descripto
 
 asn_enc_rval_t OCTET_STRING_encode_uper(asn_TYPE_descriptor_t *td, asn_per_constraints_t *cts, void *sptr, asn_per_outp_t *po) { asn_enc_rval_t er = { 0, 0, 0 }; (void)td; (void)cts; (void)sptr; (void)po; return er; }
 
-int xer_is_whitespace(const void *b, size_t s) { (void)b; (void)s; return 0; }