refactor(provider): remove lodash import

Author: ihadeed

src/providers/image-loader.ts

@@ -3,7 +3,6 @@ import { File, FileEntry, FileError, DirectoryEntry } from '@ionic-native/file';
 import { FileTransfer, FileTransferObject } from '@ionic-native/file-transfer';
 import { ImageLoaderConfig } from "./image-loader-config";
 import { Platform } from 'ionic-angular';
-import * as _ from 'lodash';
 import { Observable } from 'rxjs/Observable';
 import 'rxjs/add/operator/first';