fix export

Author: AbhiPrasad

packages/core/src/index.ts

@@ -37,7 +37,7 @@ export { initAndBind } from './sdk';
 export { NoopTransport } from './transports/noop';
 export { createTransport } from './transports/base';
 export { SDK_VERSION } from './version';
-export { defaultCoreOptions, optionsToClientOptions } from './options';
+export { defaultCoreOptions } from './options';
 
 import * as Integrations from './integrations';