remove old package with express

packages/server-next/next/index.ts

packages/server/package.json

packages/server/src/helper.ts

packages/server/src/index.ts

packages/server/src/server.ts

packages/server/src/workflow/stream.ts

packages/server/src/workflow/tools.ts

packages/server/src/workflow/type.ts

packages/server/tsconfig.json

tsconfig.json