chore: 清理死代码与空壳中间件

删除 email handler/user/ 和 logic/user/ 下未被 routes.go 引用的
重复 forgotPasswordHandler。删除 jwtauthMiddleware 空壳。

app/users/api/internal/middleware/jwtauthMiddleware.go

@@ -1,22 +0,0 @@
-// Code scaffolded by goctl. Safe to edit.
-// goctl 1.9.2
-
-package middleware
-
-import "net/http"
-
-type JwtAuthMiddleware struct {
-}
-
-func NewJwtAuthMiddleware() *JwtAuthMiddleware {
-	return &JwtAuthMiddleware{}
-}
-
-func (m *JwtAuthMiddleware) Handle(next http.HandlerFunc) http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
-		// TODO generate middleware implement function, delete after code implementation
-
-		// Passthrough to next handler if need
-		next(w, r)
-	}
-}