chore: remove generated file changes per CONTRIBUTING.md

The TypeScript SDK repo does not accept direct changes to generated code.
Only the OpenAPI spec change and E2E test should be included.
The maintainers will regenerate the SDK after merging.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: bledden

src/models/completionresponse.ts

@@ -19,7 +19,7 @@ import { SDKValidationError } from "./errors/sdkvalidationerror.js";
 
 export type CompletionResponse = {
   id: string;
-  object: "text_completion" | "chat.completion";
+  object: "text_completion";
   created: number;
   model: string;
   provider?: string | undefined;
@@ -34,7 +34,7 @@ export const CompletionResponse$inboundSchema: z.ZodType<
   unknown
 > = z.object({
   id: z.string(),
-  object: z.enum(["text_completion", "chat.completion"]),
+  object: z.literal("text_completion"),
   created: z.number(),
   model: z.string(),
   provider: z.string().optional(),