remove workflow_call secrets

.github/workflows/_reusable_add-content-to-project.yml

@@ -33,13 +33,6 @@ on:
         description: "The name of one of the values of the project's (single select) 'Status' field, to set for the added project item"
         required: true
         type: string
-    secrets:
-      HACKERSPACE_BOT_APP_ID:
-        description: "The App ID of a GitHub organization app with read and write access to repository contents, issues and pull requests, and organization projects"
-        required: true
-      HACKERSPACE_BOT_APP_PEM:
-        description: "A private key for the app with ID HACKERSPACE_BOT_APP_ID"
-        required: true
 
 jobs:
   add_content: