Remove empty xref field

Author: csbjohnson

src/ontology/doid-edit.owl

@@ -31694,7 +31694,6 @@ AnnotationAssertion(oboInOwl:hasDbXref obo:DOID_0060234 "NCI:C98873")
 AnnotationAssertion(oboInOwl:hasDbXref obo:DOID_0060234 "ORDO:65759")
 AnnotationAssertion(oboInOwl:hasDbXref obo:DOID_0060234 "SNOMEDCT_US_2023_03_01:403767009")
 AnnotationAssertion(oboInOwl:hasDbXref obo:DOID_0060234 "UMLS_CUI:C1275078")
-AnnotationAssertion(oboInOwl:hasDbXref obo:DOID_0060234 "")
 AnnotationAssertion(oboInOwl:hasDbXref obo:DOID_0060234 "MIM:PS201000")
 AnnotationAssertion(oboInOwl:hasExactSynonym obo:DOID_0060234 "acrocephalopolysyndactyly type II")
 AnnotationAssertion(oboInOwl:hasOBONamespace obo:DOID_0060234 "disease_ontology")
@@ -125050,10 +125049,10 @@ AnnotationAssertion(oboInOwl:hasDbXref obo:DOID_12803 "NCI:C84903")
 AnnotationAssertion(oboInOwl:hasDbXref obo:DOID_12803 "SNOMEDCT_US_2023_03_01:43916004")
 AnnotationAssertion(oboInOwl:hasDbXref obo:DOID_12803 "UMLS_CUI:C0085132")
 AnnotationAssertion(oboInOwl:hasExactSynonym obo:DOID_12803 "MPS VII - Sly syndrome")
+AnnotationAssertion(oboInOwl:hasExactSynonym obo:DOID_12803 "Sly syndrome")
 AnnotationAssertion(oboInOwl:hasExactSynonym obo:DOID_12803 "beta-glucuronidase deficiency")
 AnnotationAssertion(oboInOwl:hasExactSynonym obo:DOID_12803 "deficiency of beta-glucuronidase")
 AnnotationAssertion(oboInOwl:hasExactSynonym obo:DOID_12803 "mucopolysaccharidosis VII")
-AnnotationAssertion(oboInOwl:hasExactSynonym obo:DOID_12803 "Sly syndrome")
 AnnotationAssertion(oboInOwl:hasOBONamespace obo:DOID_12803 "disease_ontology")
 AnnotationAssertion(oboInOwl:id obo:DOID_12803 "DOID:12803")
 AnnotationAssertion(oboInOwl:inSubset obo:DOID_12803 doid:NCIthesaurus)
@@ -136219,9 +136218,9 @@ AnnotationAssertion(oboInOwl:hasDbXref obo:DOID_14448 "MIM:PS400044")
 AnnotationAssertion(oboInOwl:hasDbXref obo:DOID_14448 "NCI:C120198")
 AnnotationAssertion(oboInOwl:hasDbXref obo:DOID_14448 "UMLS_CUI:C0018054")
 AnnotationAssertion(oboInOwl:hasExactSynonym obo:DOID_14448 "46 XY gonadal dysgenesis")
+AnnotationAssertion(oboInOwl:hasExactSynonym obo:DOID_14448 "46,XY sex reversal")
 AnnotationAssertion(oboInOwl:hasExactSynonym obo:DOID_14448 "Pure gonadal dysgenesis 46,XY")
 AnnotationAssertion(oboInOwl:hasExactSynonym obo:DOID_14448 "Swyer syndrome")
-AnnotationAssertion(oboInOwl:hasExactSynonym obo:DOID_14448 "46,XY sex reversal")
 AnnotationAssertion(oboInOwl:hasOBONamespace obo:DOID_14448 "disease_ontology")
 AnnotationAssertion(oboInOwl:id obo:DOID_14448 "DOID:14448")
 AnnotationAssertion(oboInOwl:inSubset obo:DOID_14448 doid:NCIthesaurus)
@@ -170553,9 +170552,9 @@ AnnotationAssertion(oboInOwl:hasDbXref obo:DOID_4795 "MIM:272750")
 AnnotationAssertion(oboInOwl:hasDbXref obo:DOID_4795 "NCI:C133084")
 AnnotationAssertion(oboInOwl:hasDbXref obo:DOID_4795 "SNOMEDCT_US_2023_03_01:71253000")
 AnnotationAssertion(oboInOwl:hasDbXref obo:DOID_4795 "UMLS_CUI:C0268275")
+AnnotationAssertion(oboInOwl:hasExactSynonym obo:DOID_4795 "GM2 Activator Deficiency")
 AnnotationAssertion(oboInOwl:hasExactSynonym obo:DOID_4795 "Tay-Sachs disease AB variant")
 AnnotationAssertion(oboInOwl:hasExactSynonym obo:DOID_4795 "Tay-Sachs disease, variant AB")
-AnnotationAssertion(oboInOwl:hasExactSynonym obo:DOID_4795 "GM2 Activator Deficiency")
 AnnotationAssertion(oboInOwl:hasOBONamespace obo:DOID_4795 "disease_ontology")
 AnnotationAssertion(oboInOwl:id obo:DOID_4795 "DOID:4795")
 AnnotationAssertion(oboInOwl:inSubset obo:DOID_4795 doid:NCIthesaurus)