fixup(d1-base): dedupe InMemoryTransport export (A4+A2 collision)

Author: felixweinberger

packages/core/src/exports/public/index.ts

@@ -78,9 +78,6 @@ export { deserializeMessage, ReadBuffer, serializeMessage } from '../../shared/s
 export type { FetchLike, Transport, TransportSendOptions } from '../../shared/transport.js';
 export { createFetchWithInit } from '../../shared/transport.js';
 
-// In-memory transport (for testing client/server in the same process)
-export { InMemoryTransport } from '../../util/inMemory.js';
-
 // URI Template
 export type { Variables } from '../../shared/uriTemplate.js';
 export { UriTemplate } from '../../shared/uriTemplate.js';