Revert changes to the functions-type package.

Author: taeold

.changeset/bright-scissors-care.md

@@ -1,6 +1,6 @@
 ---
-'@firebase/functions-types': minor
 '@firebase/functions': minor
+'firebase': minor
 ---
 
 Add `.stream()` api for callable functions for consuming streaming responses.

packages/functions-types/index.d.ts

@@ -22,21 +22,12 @@ export interface HttpsCallableResult {
   readonly data: any;
 }
 
-/**
- * An HttpsCallableStreamResult wraps a single streaming result from a function call.
- */
-export interface HttpsCallableStreamResult {
-  readonly data: Promise<any>;
-  readonly stream: AsyncIterable<any>;
-}
-
 /**
  * An HttpsCallable is a reference to a "callable" http trigger in
  * Google Cloud Functions.
  */
 export interface HttpsCallable {
   (data?: {} | null): Promise<HttpsCallableResult>;
-  stream(data?: {} | null): Promise<HttpsCallableStreamResult>;
 }
 
 /**