Removed duplicated fetcher

framework/bigcommerce/index.tsx

@@ -90,21 +90,6 @@ export type BigcommerceProvider = typeof bigcommerceProvider
 export const bigcommerceConfig: CommerceConfig = {
   locale: 'en-us',
   cartCookie: 'bc_cartId',
-  async fetcher({ url, method = 'GET', variables, body: bodyObj }) {
-    const hasBody = Boolean(variables || bodyObj)
-    const body = hasBody
-      ? JSON.stringify(variables ? { variables } : bodyObj)
-      : undefined
-    const headers = hasBody ? { 'Content-Type': 'application/json' } : undefined
-    const res = await fetch(url!, { method, body, headers })
-
-    if (res.ok) {
-      const { data } = await res.json()
-      return data
-    }
-
-    throw await getError(res)
-  },
 }
 
 export type BigcommerceConfig = Partial<CommerceConfig>