Remove dangling references to typesWithBodyKey (#2821) (#2826)

This was removed for 9.0.

(cherry picked from commit a86319b14d)

Co-authored-by: Josh Mock <joshua.mock@elastic.co>

index.d.ts

@@ -8,7 +8,6 @@ import SniffingTransport from './lib/sniffingTransport'
 
 export * from '@elastic/transport'
 export * as estypes from './lib/api/types'
-export * as estypesWithBody from './lib/api/typesWithBodyKey'
 export { Client, SniffingTransport }
 export type { ClientOptions, NodeOptions } from './lib/client'
 export * as helpers from './lib/helpers'