Remove unused code

Author: anushkavidanage

example/lib/models/Constants.dart

@@ -5,7 +5,6 @@ import 'package:flutter/material.dart';
 const darkGold = Color(0xFFBE830E);
 const brickRed = Color(0xFFD89E7A);
 const lightGold = Color(0xFFDBBA78);
-const lightBlue = Color(0xFF61B2CE);
 const exLightBlue = Color(0xFFD8ECF3);
 const darkCopper = Color(0xFFBE4E0E);
 const titleAsh = Color(0xFF30384D);
@@ -16,4 +15,4 @@ const bgOffWhite = Color(0xFFF2F4FC);
 const kDefaultPadding = 20.0;
 
 double screenWidth(BuildContext context) => MediaQuery.of(context).size.width;
-double screenHeight(BuildContext context) => MediaQuery.of(context).size.height;
+// double screenHeight(BuildContext context) => MediaQuery.of(context).size.height;

example/lib/models/Extensions.dart

@@ -1,21 +1,9 @@
 // Dart imports:
 import 'dart:async';
-import 'dart:math';
 
 // Package imports:
 import 'package:http/http.dart' as http;
 
-const _chars =
-    'AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz1234567890_-';
-const _hexChars = '0123456789abcdef';
-Random _rnd = Random();
-
-String getRandomString(int length) => String.fromCharCodes(Iterable.generate(
-    length, (_) => _chars.codeUnitAt(_rnd.nextInt(_chars.length))));
-
-String getRandomHex(int length) => String.fromCharCodes(Iterable.generate(
-    length, (_) => _hexChars.codeUnitAt(_rnd.nextInt(_hexChars.length))));
-
 // Get private profile information using access and dPoP tokens
 Future<String> fetchPrvProfile(
     String profCardUrl, String accessToken, String dPopToken) async {