[ios] Change default bridge mode back to XHR_NO_PAYLOAD.
[ios] Change default bridge mode back to XHR_NO_PAYLOAD.

Discovered that the recent change to returning YES in CDVURLProtocol
causes bundled messages to be received multiple times.

yedeveloper/cordova-js,gitterHQ/cordova-js,lvrookie/cordova-js,revolunet/cordova-js,lvrookie/cordova-js,corimf/cordova-js,gitterHQ/cordova-js,Adilmar/cordova-js,Adilmar/cordova-js,the1sky/cordova-js,danrixd/cordova-js,Adilmar/cordova-js,Zekom/cordova-js,yedeveloper/cordova-js,revolunet/cordova-js,Zekom/cordova-js,infil00p/cordova-js,yedeveloper/cordova-js,infil00p/cordova-js,danrixd/cordova-js,the1sky/cordova-js,danrixd/cordova-js,andfaulkner/cordovajs-cms-one,apache/cordova-js,the1sky/cordova-js,andfaulkner/cordovajs-cms-one,andfaulkner/cordovajs-cms-one,corimf/cordova-js,revolunet/cordova-js,lvrookie/cordova-js,Zekom/cordova-js,corimf/cordova-js