fix: remove unused Auth import from Dify and N8n services

This commit removes the unused `Auth` import from both `dify.service.ts` and `n8n.service.ts`. This change helps to clean up the code and improve readability by eliminating unnecessary dependencies.

Author: DavidsonGomes

src/api/integrations/chatbot/dify/services/dify.service.ts

@@ -2,7 +2,7 @@ import { InstanceDto } from '@api/dto/instance.dto';
 import { PrismaRepository } from '@api/repository/repository.service';
 import { WAMonitoringService } from '@api/services/monitor.service';
 import { Integration } from '@api/types/wa.types';
-import { Auth, ConfigService, HttpServer } from '@config/env.config';
+import { ConfigService, HttpServer } from '@config/env.config';
 import { Dify, DifySetting, IntegrationSession } from '@prisma/client';
 import { sendTelemetry } from '@utils/sendTelemetry';
 import axios from 'axios';

src/api/integrations/chatbot/n8n/services/n8n.service.ts

@@ -1,7 +1,7 @@
 import { InstanceDto } from '@api/dto/instance.dto';
 import { PrismaRepository } from '@api/repository/repository.service';
 import { WAMonitoringService } from '@api/services/monitor.service';
-import { Auth, ConfigService, HttpServer } from '@config/env.config';
+import { ConfigService, HttpServer } from '@config/env.config';
 import { IntegrationSession, N8n, N8nSetting } from '@prisma/client';
 import { sendTelemetry } from '@utils/sendTelemetry';
 import axios from 'axios';