scaffolder-node: rollback typings

Signed-off-by: Vincenzo Scamporlino <vincenzos@spotify.com>

.changeset/dirty-pears-jam.md

@@ -1,5 +0,0 @@
----
-'@backstage/plugin-scaffolder-node': patch
----
-
-Add internal `initiatorCredentials` property to `TaskSecrets`

plugins/scaffolder-node/api-report.md

@@ -390,7 +390,6 @@ export type TaskEventType = 'completion' | 'log' | 'cancelled' | 'recovered';
 // @public
 export type TaskSecrets = Record<string, string> & {
   backstageToken?: string;
-  initiatorCredentials?: string;
 };
 
 // @public

plugins/scaffolder-node/src/tasks/types.ts

@@ -25,7 +25,6 @@ import { JsonObject, JsonValue, Observable } from '@backstage/types';
  */
 export type TaskSecrets = Record<string, string> & {
   backstageToken?: string;
-  initiatorCredentials?: string;
 };
 
 /**