fix: återställ url i schema.prisma, ta bort ogiltig datasourceUrl från constructor

backend/src/prisma/prisma.service.ts

@@ -9,8 +9,7 @@ export class PrismaService
   private readonly logger = new Logger(PrismaService.name);
 
   constructor() {
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
-    super({ datasourceUrl: process.env.DATABASE_URL } as any);
+    super();
   }
 
   async onModuleInit() {