added prefix for NCBIGene and NCBITaxon and removed ncbi prefix

Author: puja-trivedi

linkml-schema/genome_annotation.yaml

@@ -8,8 +8,9 @@ prefixes:
   linkml: https://w3id.org/linkml/
   bican: https://identifiers.org/brain-bican/vocab/
   schema: http://schema.org/
-  ncbi: https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&id=
   NCBIAssembly: https://www.ncbi.nlm.nih.gov/assembly/
+  NCBIGene: https://www.ncbi.nlm.nih.gov/gene/
+  NCBITaxon: https://www.ncbi.nlm.nih.gov/taxonomy/
 
 imports:
   - linkml:types