remove duplicate mutation

Author: michelle0927

components/shopify/common/mutations.mjs

@@ -173,24 +173,6 @@ const CREATE_PRODUCT = `
   }
 `;
 
-const SET_METAFIELD = `
-  mutation MetafieldsSet($metafields: [MetafieldsSetInput!]!) {
-      metafieldsSet(metafields: $metafields) {
-        metafields {
-          key
-          namespace
-          value
-          createdAt
-          updatedAt
-        }
-        userErrors {
-          field
-          message
-        }
-      }
-    }
-`;
-
 const CREATE_METAFIELD = `
   mutation CreateMetafieldDefinition($definition: MetafieldDefinitionInput!) {
       metafieldDefinitionCreate(definition: $definition) {
@@ -444,7 +426,6 @@ export default {
   CREATE_PAGE,
   CREATE_PRODUCT,
   CREATE_PRODUCT_VARIANTS,
-  SET_METAFIELD,
   CREATE_METAFIELD,
   CREATE_METAOBJECT,
   UPDATE_METAFIELD,

components/shopify/shopify.app.mjs

@@ -427,9 +427,6 @@ export default {
     createMetafield(variables) {
       return this._makeGraphQlRequest(mutations.CREATE_METAFIELD, variables);
     },
-    setMetafield(variables) {
-      return this._makeGraphQlRequest(mutations.SET_METAFIELD, variables);
-    },
     updateMetafield(variables) {
       return this._makeGraphQlRequest(mutations.UPDATE_METAFIELD, variables);
     },