Fix assert unreachable, remove unused variables (#13753)

Small code cleanup

packages/twenty-server/src/engine/core-modules/file/controllers/file.controller.ts

@@ -34,7 +34,7 @@ export class FileController {
   @Get('*/:filename')
   @UseGuards(PublicEndpointGuard)
   async getFile(
-    @Param() params: string[],
+    @Param() _params: string[],
     @Res() res: Response,
     @Req() req: Request,
   ) {

packages/twenty-server/src/engine/core-modules/file/services/file-metadata.service.ts

@@ -5,7 +5,6 @@ import { Repository } from 'typeorm';
 
 import { FileFolder } from 'src/engine/core-modules/file/interfaces/file-folder.interface';
 
-import { FileStorageService } from 'src/engine/core-modules/file-storage/file-storage.service';
 import { type FileDTO } from 'src/engine/core-modules/file/dtos/file.dto';
 import { FileEntity } from 'src/engine/core-modules/file/entities/file.entity';
 import { FileUploadService } from 'src/engine/core-modules/file/file-upload/services/file-upload.service';
@@ -19,7 +18,6 @@ export class FileMetadataService {
     @InjectRepository(FileEntity, 'core')
     private readonly fileRepository: Repository<FileEntity>,
     private readonly fileService: FileService,
-    private readonly fileStorageService: FileStorageService,
     private readonly fileUploadService: FileUploadService,
   ) {}