Change field name 'categories' to 'enumrations'

api/src/engine/models/variable.model.ts

@@ -17,10 +17,7 @@ export class Variable {
     description?: string;
 
     @Field(type => [Category])
-    categories: Category[];
-
-    @Field(type => Boolean)
-    isCategorical: boolean;
+    enumerations: Category[];
 
     @Field(type => [Group])
     groups: Group[];

api/src/schema.gql

@@ -12,8 +12,7 @@ type Variable {
   label: String
   type: String!
   description: String
-  categories: [Category!]!
-  isCategorical: Boolean!
+  enumerations: [Category!]!
   groups: [Group!]!
 }