Ionic is not building iOS app because of @ionic-cloud

This is ionic info

global packages:

    @ionic/cli-utils : 1.4.0
    Cordova CLI      : not installed
    Ionic CLI        : 3.4.0

local packages:

    @ionic/app-scripts              : 1.3.7
    @ionic/cli-plugin-cordova       : 1.4.0
    @ionic/cli-plugin-ionic-angular : 1.3.1
    Cordova Platforms               : none
    Ionic Framework                 : ionic-angular 3.4.2

System:

    Node       : v6.11.0
    OS         : macOS Sierra
    Xcode      : Xcode 8.3.3 Build version 8E3004b
    ios-deploy : 1.9.1
    ios-sim    : not installed
    npm        : 3.10.10

This is package.json

{
    "name": "wolspain-app",
    "version": "0.0.1",
    "author": "Ionic Framework",
    "homepage": "http://ionicframework.com/",
    "private": true,
    "scripts": {
        "clean": "ionic-app-scripts clean",
        "build": "ionic-app-scripts build",
        "lint": "ionic-app-scripts lint",
        "ionic:build": "ionic-app-scripts build",
        "ionic:serve": "ionic-app-scripts serve"
    },
    "dependencies": {
        "@angular/common": "4.1.3",
        "@angular/compiler": "4.1.3",
        "@angular/compiler-cli": "4.1.3",
        "@angular/core": "4.1.3",
        "@angular/forms": "4.1.3",
        "@angular/http": "4.1.3",
        "@angular/platform-browser": "4.1.3",
        "@angular/platform-browser-dynamic": "4.1.3",
        "@ionic-native/core": "3.10.2",
        "@ionic-native/splash-screen": "3.10.2",
        "@ionic-native/status-bar": "3.10.2",
        "@ionic/cloud-angular": "^0.12.0",
        "@ionic/storage": "2.0.1",
        "cordova-android": "^6.2.3",
        "cordova-ios": "^4.4.0",
        "cordova-plugin-console": "^1.0.5",
        "cordova-plugin-device": "^1.1.4",
        "cordova-plugin-splashscreen": "^4.0.3",
        "cordova-plugin-statusbar": "^2.2.2",
        "cordova-plugin-whitelist": "^1.3.1",
        "ionic-angular": "3.4.2",
        "ionic-plugin-keyboard": "^2.2.1",
        "ionicons": "3.0.0",
        "rxjs": "5.4.0",
        "sw-toolbox": "3.6.0",
        "zone.js": "0.8.12"
    },
    "devDependencies": {
        "@ionic/app-scripts": "1.3.7",
        "@ionic/cli-plugin-cordova": "1.4.0",
        "@ionic/cli-plugin-ionic-angular": "1.3.1",
        "typescript": "2.3.3"
    },
    "description": "An Ionic project",
    "cordova": {
        "plugins": {
            "cordova-plugin-console": {},
            "cordova-plugin-device": {},
            "cordova-plugin-splashscreen": {},
            "cordova-plugin-statusbar": {},
            "cordova-plugin-whitelist": {},
            "ionic-plugin-keyboard": {}
        },
        "platforms": [
            "android",
            "ios"
        ]
    }
}