Make Nginx the default public gateway

backend/internal/api/api.go

@@ -330,7 +330,6 @@ func (s *Server) RegisterRoutes(r *gin.Engine) {
 		admin.PUT("/system/identity", idp.Configure)
 		admin.POST("/system/identity/gateway", identityprovider.SecureGateway(), s.identityGateway)
 		admin.PUT("/system/tls/domain", s.setTLSDomain)
-		admin.PUT("/system/tls/mode", s.setTLSMode)
 		admin.GET("/system/tls/nginx-preview", s.nginxPreview)
 		admin.GET("/system/tls/nginx-setup", s.nginxSetupStatus)
 		admin.POST("/system/tls/nginx-setup", s.initializeNginx)