Fix key issue (#1686)

google_maps/android/app/src/main/AndroidManifest.xml

@@ -7,7 +7,7 @@
 
         <!-- TODO: Add your Google Maps API key here -->
         <meta-data android:name="com.google.android.geo.API_KEY"
-               android:value="AIzaSyBFVI6nt-1Yn_lFYWMidyqUk8ca0eE1Sv8"/>
+               android:value="YOUR-API-KEY"/>
 
         <activity
             android:name=".MainActivity"

google_maps/ios/Runner/AppDelegate.swift

@@ -11,7 +11,7 @@ import GoogleMaps
     GeneratedPluginRegistrant.register(with: self)
 
     // TODO: Add your Google Maps API key
-    GMSServices.provideAPIKey("AIzaSyBFVI6nt-1Yn_lFYWMidyqUk8ca0eE1Sv8")
+    GMSServices.provideAPIKey("YOUR-API-KEY")
 
     return super.application(application, didFinishLaunchingWithOptions: launchOptions)
   }

google_maps/web/index.html

@@ -30,7 +30,7 @@
   <link rel="icon" type="image/png" href="favicon.png"/>
 
   <!-- Add your Google Maps API key here -->
-  <script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyBFVI6nt-1Yn_lFYWMidyqUk8ca0eE1Sv8"></script>
+  <script src="https://maps.googleapis.com/maps/api/js?key=YOUR-API-KEY"></script>
 
   <title>google_maps_in_flutter</title>
   <link rel="manifest" href="manifest.json">