Revert "Add login flow types from matrix-react-sdk (#2633)" (#2661)

* Revert "Add login flow types from matrix-react-sdk (#2633)"

This reverts commit 583e480

* Leave login flow types, only revert method return type

Co-authored-by: Hugh Nimmo-Smith <hughns@matrix.org>

Author: t3chguy

src/client.ts

@@ -188,7 +188,7 @@ import { IPusher, IPusherRequest, IPushRules, PushRuleAction, PushRuleKind, Rule
 import { IThreepid } from "./@types/threepids";
 import { CryptoStore } from "./crypto/store/base";
 import { MediaHandler } from "./webrtc/mediaHandler";
-import { ILoginFlowsResponse, IRefreshTokenResponse, SSOAction } from "./@types/auth";
+import { IRefreshTokenResponse, SSOAction } from "./@types/auth";
 import { TypedEventEmitter } from "./models/typed-event-emitter";
 import { ReceiptType } from "./@types/read_receipts";
 import { MSC3575SlidingSyncRequest, MSC3575SlidingSyncResponse, SlidingSync } from "./sliding-sync";
@@ -7080,10 +7080,10 @@ export class MatrixClient extends TypedEventEmitter<EmittedEvents, ClientEventHa
 
     /**
      * @param {module:client.callback} callback Optional.
-     * @return {Promise<ILoginFlowsResponse>} Resolves to the available login flows
+     * @return {Promise} Resolves: TODO
      * @return {module:http-api.MatrixError} Rejects: with an error response.
      */
-    public loginFlows(callback?: Callback): Promise<ILoginFlowsResponse> {
+    public loginFlows(callback?: Callback): Promise<any> { // TODO: Types
         return this.http.request(callback, Method.Get, "/login");
     }