fix grok-code-fast to be able to read parts of a file

Author: UriZafrir

packages/types/src/single-file-read-models.ts

@@ -10,5 +10,5 @@
  * @returns true if the model should use single file reads
  */
 export function shouldUseSingleFileRead(modelId: string): boolean {
-	return modelId.includes("grok-code-fast-1")
+	return false
 }