Removed the API keys from android and web platforms

Author: Sasikumar3595

android/app/google-services.json

@@ -39,23 +39,6 @@
        https://firebase.google.com/docs/web/setup#available-libraries -->
   <script src="https://www.gstatic.com/firebasejs/7.20.0/firebase-analytics.js"></script>
 
-  <script>
-  // Your web app's Firebase configuration
-  // For Firebase JS SDK v7.20.0 and later, measurementId is optional
-  var firebaseConfig = {
-    apiKey: "AIzaSyClR8Nfly73iZUbIyGq_-PH87mhR2awMZc",
-    authDomain: "syncfusion-flutter-calendar.firebaseapp.com",
-    projectId: "syncfusion-flutter-calendar",
-    storageBucket: "syncfusion-flutter-calendar.appspot.com",
-    messagingSenderId: "59821998645",
-    appId: "1:59821998645:web:ef837e00b30ea20b6fe77c",
-    measurementId: "G-4S6FVL2G1E"
-  };
-  // Initialize Firebase
-  firebase.initializeApp(firebaseConfig);
-  firebase.analytics();
-</script>
-
   <script src="main.dart.js" type="application/javascript"></script>
 </body>
 </html>