Remove all sentry references

- Google play store already offers crash reporting...

lib/settings/settings.dart

@@ -1,14 +1,9 @@
-import 'package:InvenTree/inventree/sentry.dart';
 import 'package:InvenTree/settings/about.dart';
 import 'package:InvenTree/settings/login.dart';
 import 'package:InvenTree/user_profile.dart';
-import 'package:InvenTree/widget/dialogs.dart';
-import 'package:InvenTree/widget/snacks.dart';
 
 import 'package:flutter/material.dart';
-import 'package:flutter/services.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
-import 'package:sentry_flutter/sentry_flutter.dart';
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import 'package:url_launcher/url_launcher.dart';
 
@@ -28,7 +23,6 @@ class InvenTreeSettingsWidget extends StatefulWidget {
 class _InvenTreeSettingsState extends State<InvenTreeSettingsWidget> {
 
   final _scaffoldKey = GlobalKey<ScaffoldState>();
-  final _bugKey = GlobalKey<FormState>();
 
   final String docsUrl = "https://inventree.readthedocs.io/en/latest/app/app/";
 
@@ -66,12 +60,6 @@ class _InvenTreeSettingsState extends State<InvenTreeSettingsWidget> {
                 },
               ),
 
-              ListTile(
-                title: Text(I18N.of(context).reportBug),
-                subtitle: Text("Report bug or suggest new feature"),
-                leading: FaIcon(FontAwesomeIcons.bug),
-                onTap: _reportBug,
-              ),
             ]
           ).toList()
         )
@@ -100,41 +88,4 @@ class _InvenTreeSettingsState extends State<InvenTreeSettingsWidget> {
           MaterialPageRoute(builder: (context) => InvenTreeAboutWidget(info)));
     });
   }
-
-  void _sendReport(String message) async {
-
-    bool result = await sentryReportMessage(message);
-
-    if (result) {
-      showSnackIcon(_scaffoldKey, "Uploaded report", success: true);
-    } else {
-      showSnackIcon(_scaffoldKey, "Report upload failed", success: false);
-    }
-  }
-
-  void _reportBug() async {
-
-    TextEditingController _controller = TextEditingController();
-
-    _controller.clear();
-
-    showFormDialog(
-      "Upload Bug Report",
-      key: _bugKey,
-      callback: () {
-        _sendReport(_controller.text);
-      },
-      fields: <Widget>[
-        TextField(
-          decoration: InputDecoration(
-            hintText: "Enter bug report details",
-          ),
-          keyboardType: TextInputType.multiline,
-          maxLines: null,
-          controller: _controller
-        ),
-      ]
-    );
-
-  }
 }