Removing unused imports

Author: masterashu

lib/assessment_tests/transition.dart

@@ -1,20 +1,8 @@
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/widgets.dart';
-import 'package:heutagogy/assessment_tests/test5.dart';
-import 'package:heutagogy/data_models.dart';
-import 'package:heutagogy/assessment_tests/test1.dart';
-import 'package:heutagogy/assessment_tests/test2.dart';
-import 'package:heutagogy/assessment_tests/test3.dart';
-import 'package:heutagogy/assessment_tests/test4.dart';
-import 'package:heutagogy/assessment_tests/test6.dart';
-import 'package:heutagogy/assessment_tests/test7.dart';
-import 'package:heutagogy/assessment_tests/test9.dart';
 
-import 'dart:math';
 
-import 'package:heutagogy/my_stepper.dart';
-import 'package:heutagogy/well_done_page.dart';
 
 class TransitionPage extends StatefulWidget{
   final String subject;

lib/lesson_3_tests.dart

@@ -11,7 +11,6 @@ import 'package:heutagogy/tests/test4.dart';
 import 'package:heutagogy/tests/test5.dart';
 import 'package:heutagogy/tests/test10.dart';
 import 'dart:math';
-import 'dart:io';
 import 'package:heutagogy/tests/test8.dart';
 import 'package:heutagogy/well_done_page.dart';
 import 'package:youtube_player/youtube_player.dart';

lib/lesson_detail.dart

@@ -7,7 +7,6 @@ import 'package:heutagogy/data_models.dart';
 import 'package:heutagogy/lesson_1_tests.dart';
 import 'package:heutagogy/lesson_2_tests.dart';
 import 'package:heutagogy/lesson_3_tests.dart';
-import 'package:youtube_player/youtube_player.dart';
 
 class LessonDetail extends StatefulWidget {
   final LessonData lessonData;

lib/tests/test10.dart

@@ -1,17 +1,7 @@
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/widgets.dart';
-import 'package:heutagogy/data_models.dart';
-import 'package:heutagogy/tests/test1.dart';
-import 'package:heutagogy/tests/test2.dart';
-import 'package:heutagogy/tests/test3.dart';
-import 'package:heutagogy/tests/test4.dart';
-import 'package:heutagogy/tests/test5.dart';
-import 'dart:math';
-import 'dart:io';
-import 'package:heutagogy/tests/test8.dart';
-import 'package:heutagogy/well_done_page.dart';
-import 'package:youtube_player/youtube_player.dart';
+
 
 class Test10Page extends StatefulWidget {
   @override