Remove unused import of RequestInfo from client.ts

Author: easyCZ

src/client.ts

@@ -1,6 +1,6 @@
 // File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
-import type { RequestInit, RequestInfo, BodyInit } from './internal/builtin-types';
+import type { RequestInit, BodyInit } from './internal/builtin-types';
 import type { HTTPMethod, PromiseOrValue, MergedRequestInit, FinalizedRequestInit } from './internal/types';
 import { uuid4 } from './internal/utils/uuid';
 import { validatePositiveInteger, isAbsoluteURL, safeJSON } from './internal/utils/values';