Little clean on comments

lib/main.dart

@@ -9,7 +9,6 @@ import 'package:flutter/foundation.dart';
 
 Future<void> main() async {
   if (kReleaseMode) {
-    print('Release');
     await SentryFlutter.init(
       (options) {
         options.dsn =
@@ -18,7 +17,7 @@ Future<void> main() async {
       appRunner: () => runApp(Gecko()),
     );
   } else {
-    print('Debug');
+    print('Debug mode enabled: No sentry alerte');
     runApp(Gecko());
   }
 }

lib/ui/historyScreen.dart

@@ -218,8 +218,7 @@ class HistoryScreenState extends State<HistoryScreen> {
   }
 
   String isPubkey(pubkey) {
-    // final validCharacters = RegExp(r'^[a-zA-Z0-9]+$');
-    RegExp regExp = new RegExp(
+    final RegExp regExp = new RegExp(
       r'^[a-zA-Z0-9]+$',
       caseSensitive: false,
       multiLine: false,

lib/ui/home.dart

@@ -6,15 +6,6 @@ import 'package:gecko/ui/historyScreen.dart';
 
 //ignore: must_be_immutable
 class HomeScreen extends StatefulWidget {
-  // const HistoryListScreen({
-  //   final Key key,
-  //   @required this.options,
-  //   @required this.builder,
-  // }) : super(key: key);
-
-  // final QueryOptions options;
-  // final QueryBuilder builder;
-
   HomeScreen({this.screens});
   final List<Widget> screens;
 
@@ -49,7 +40,6 @@ class _HomeScreenState extends State<HomeScreen> {
               keyHistory: _keyHistory,
             ),
             GenerateWalletScreen(),
-            //  FriendsScreen()
           ],
         ),
       ),
@@ -58,7 +48,7 @@ class _HomeScreenState extends State<HomeScreen> {
         width: 80.0,
         child: FittedBox(
           child: FloatingActionButton(
-            onPressed: () => _keyHistory.currentState.scan(), // _scan(),
+            onPressed: () => _keyHistory.currentState.scan(),
             child: Container(
                 height: 40.0,
                 width: 40.0,