Update mp.md (#2585)

Author: sbello

ontology/mp.md

@@ -5,7 +5,7 @@ title: Mammalian Phenotype Ontology
 browsers:
 - title: MGI MP Browser
   label: MGI
-  url: http://www.informatics.jax.org/searches/MP_form.shtml
+  url: https://www.informatics.jax.org/vocab/mp_ontology/
 - title: RGD MP Browser
   label: RGD
   url: https://rgd.mcw.edu/rgdweb/ontology/view.html?acc_id=MP:0000001
@@ -20,7 +20,7 @@ contact:
 depicted_by: https://raw.githubusercontent.com/mgijax/mammalian-phenotype-ontology/main/logo/2024_MP_logo_RGB_ICON_color.png
 description: Standard terms for annotating mammalian phenotypic data.
 domain: phenotype
-homepage: http://www.informatics.jax.org/searches/MP_form.shtml
+homepage: https://www.informatics.jax.org/vocab/mp_ontology/
 license:
   label: CC BY 4.0
   url: http://creativecommons.org/licenses/by/4.0/