Update x-optimade-implementation: previous were outdated, but somewhy not caught by validator.

Author: merkys

src/v0.1.0/entrytypes/structures.yaml

@@ -12,28 +12,24 @@ properties:
   _cheminfo_inchikey:
     $$inherit: "/properties/structures/_cheminfo_inchikey"
     x-optimade-implementation:
-      support: "may"
       sortable: false
       query-support: "none"
-      response-level: "yes"
+      response-default: true
   _cheminfo_preferred_iupac_name:
     $$inherit: "/properties/structures/_cheminfo_preferred_iupac_name"
     x-optimade-implementation:
-      support: "may"
       sortable: false
       query-support: "none"
-      response-level: "yes"
+      response-default: true
   _cheminfo_stdinchi:
     $$inherit: "/properties/structures/_cheminfo_stdinchi"
     x-optimade-implementation:
-      support: "may"
       sortable: false
       query-support: "none"
-      response-level: "yes"
+      response-default: true
   _cheminfo_stdinchikey:
     $$inherit: "/properties/structures/_cheminfo_stdinchikey"
     x-optimade-implementation:
-      support: "may"
       sortable: false
       query-support: "none"
-      response-level: "yes"
+      response-default: true