tests/semchecks: remove unused constants

tests/test_semantic_check.in

@@ -43,10 +43,8 @@ fi
 # error messages exported from knot/src/zone/semantic-check.c
 NS_APEX="missing NS at the zone apex"
 NS_GLUE="missing glue record"
-RRSIG_RDATA_TYPE_COVERED="wrong type covered in RRSIG"
 RRSIG_RDATA_TTL="wrong original TTL in RRSIG"
 RRSIG_EXPIRED="expired RRSIG"
-RRSIG_RDATA_LABELS="wrong labels in RRSIG"
 RRSIG_RDATA_DNSKEY_OWNER="wrong signer's name in RRSIG"
 RRSIG_NO_RRSIG="missing RRSIG"
 RRSIG_SIGNED="signed RRSIG"
@@ -59,9 +57,7 @@ NSEC_RDATA_CHAIN="incoherent NSEC chain"
 NSEC3_NONE="missing NSEC3"
 NSEC3_RDATA_BITMAP="incorrect type bitmap in NSEC3"
 NSEC3_INSECURE_DELEGATION_OPT="insecure delegation outside NSEC3 opt-out"
-NSEC3_TTL="wrong NSEC3 TLL"
 NSEC3_RDATA_CHAIN="incoherent NSEC3 chain"
-NSEC3_EXTRA_RECORD="invalid record type in NSEC3 chain"
 CNAME_EXTRA_RECORDS="more records exist at CNAME"
 DNAME_CHILDREN="child record exists under DNAME"
 CNAME_MULTIPLE="multiple CNAME records"
@@ -75,8 +71,6 @@ CDS_MULTIPLE="multiple CDS records"
 CDS_NOT_MATCH="CDS not match CDNSKEY"
 CDNSKEY_NONE="missing CDNSKEY"
 CDNSKEY_MULTIPLE="multiple CDNSKEY records"
-CDNSKEY_NOT_KSK="CDNSKEY not match KSK DNSKEY"
-CDNSKEY_NO_DNSKEY="CDNSKEY not match DNSKEY"
 
 plan_lazy