refactor(server): use ava (#4120)

apps/server/src/app.ts

@@ -3,7 +3,7 @@ import { Module } from '@nestjs/common';
 import { AppController } from './app.controller';
 import { ConfigModule } from './config';
 import { MetricsModule } from './metrics';
-import { BusinessModules, Providers } from './modules';
+import { BusinessModules } from './modules';
 import { PrismaModule } from './prisma';
 import { SessionModule } from './session';
 import { StorageModule } from './storage';
@@ -19,7 +19,6 @@ import { RateLimiterModule } from './throttler';
     RateLimiterModule,
     ...BusinessModules,
   ],
-  providers: Providers,
   controllers: [AppController],
 })
 export class AppModule {}