Update createResource.mdx

Author: michaelessiet

content/references/api-reference/basic-reactivity/createResource.mdx

@@ -117,7 +117,7 @@ Alternatively, these can be explicitly typed when passed to the fetcher:
 
 ```ts
 const [data] = createResource(
-  () => [dataSignal(), moreData()] as const,
+  () => [dataSignal(), moreData()],
   ([dataVal, moreDataVal]) => fetcher(dataVal as number, moreDataVal as string)
 );
 ```