Remove Machine module and related files

Deleted MachineController, MachineModule, and associated tests to streamline the codebase. This simplifies the project structure by removing unused or redundant components.

apps/backend/src/app/machine/machine.controller.spec.ts

@@ -1,20 +0,0 @@
-import { Test, TestingModule } from '@nestjs/testing';
-import { MachineController } from './machine.controller';
-import { MachineService } from './machine.service';
-
-describe('MachineController', () => {
-  let controller: MachineController;
-
-  beforeEach(async () => {
-    const module: TestingModule = await Test.createTestingModule({
-      controllers: [MachineController],
-      providers: [MachineService],
-    }).compile();
-
-    controller = module.get<MachineController>(MachineController);
-  });
-
-  it('should be defined', () => {
-    expect(controller).toBeDefined();
-  });
-});

apps/backend/src/app/machine/machine.controller.ts

@@ -1,7 +0,0 @@
-import { Controller } from '@nestjs/common';
-import { MachineService } from './machine.service';
-
-@Controller('machine')
-export class MachineController {
-  constructor(private readonly machineService: MachineService) {}
-}

apps/backend/src/app/machine/machine.module.ts

@@ -1,9 +0,0 @@
-import { Module } from '@nestjs/common';
-import { MachineService } from './machine.service';
-import { MachineController } from './machine.controller';
-
-@Module({
-  controllers: [MachineController],
-  providers: [MachineService],
-})
-export class MachineModule {}