Remove deinit on map

Was crashing after certain events (like a marker being tapped).
It doesn't seem to be leaking without it there so I'm assuming the
map cleans itself without the need to explicitly remove all markers,
annotations etc.

Author: zbarbuto

ios/Classes/MapView/AppleMapController.swift

@@ -48,13 +48,6 @@ public class AppleMapController: NSObject, FlutterPlatformView {
         }
     }
 
-    deinit {
-        self.removeAllAnnotations()
-        self.removeAllCircles()
-        self.removeAllPolygons()
-        self.removeAllPolylines()
-    }
-    
     public func view() -> UIView {
         return mapView
     }