Removed deployment target preference and apple ios engine

Author: Arik

plugin.xml

@@ -29,7 +29,6 @@
 	<engines>
         <engine name="cordova" version=">=7.1.0"/>
         <engine name="cordova-ios" version=">=4.0.0-dev"/>
-        <engine name="apple-ios" version=">=11.0"/>
         <engine name="cordova-android" version=">=6.4.0"/>
 	</engines>
 
@@ -62,7 +61,6 @@
 
     <config-file target="config.xml" parent="/*">
         <allow-navigation href="ionic://*"/>
-        <preference name="deployment-target" value="11.0"/>
         <feature name="IonicWebView">
             <param name="ios-package" value="CDVWKWebViewEngine"/>
         </feature>