refactor(core)!: Remove basic-auth, external-jwt-auth, and no-auth options (#6362)

Co-authored-by: कारतोफ्फेलस्क्रिप्ट™ <aditya@netroy.in>

packages/cli/src/controllers/owner.controller.ts

@@ -148,19 +148,4 @@ export class OwnerController {
 
 		return sanitizeUser(owner);
 	}
-
-	/**
-	 * Persist that the instance owner setup has been skipped
-	 */
-	@Post('/skip-setup')
-	async skipSetup() {
-		await this.settingsRepository.update(
-			{ key: 'userManagement.skipInstanceOwnerSetup' },
-			{ value: JSON.stringify(true) },
-		);
-
-		this.config.set('userManagement.skipInstanceOwnerSetup', true);
-
-		return { success: true };
-	}
 }

packages/cli/src/controllers/users.controller.ts

@@ -32,7 +32,6 @@ import type {
 import type { ActiveWorkflowRunner } from '@/ActiveWorkflowRunner';
 import { AuthIdentity } from '@db/entities/AuthIdentity';
 import type { PostHogClient } from '@/posthog';
-import { userManagementEnabledMiddleware } from '../middlewares/userManagementEnabled';
 import { isSamlLicensedAndEnabled } from '../sso/saml/samlHelpers';
 import type {
 	RoleRepository,
@@ -106,7 +105,7 @@ export class UsersController {
 	/**
 	 * Send email invite(s) to one or multiple users and create user shell(s).
 	 */
-	@Post('/', { middlewares: [userManagementEnabledMiddleware] })
+	@Post('/')
 	async sendEmailInvites(req: UserRequest.Invite) {
 		if (isSamlLicensedAndEnabled()) {
 			this.logger.debug(