Make all sources override-eligible to account for subdomains

lib/app_sources/codeberg.dart

@@ -7,7 +7,6 @@ import 'package:obtainium/providers/source_provider.dart';
 class Codeberg extends AppSource {
   Codeberg() {
     host = 'codeberg.org';
-    overrideEligible = true;
 
     additionalSourceSpecificSettingFormItems = [];
 

lib/app_sources/fdroidrepo.dart

@@ -7,7 +7,6 @@ import 'package:obtainium/providers/source_provider.dart';
 class FDroidRepo extends AppSource {
   FDroidRepo() {
     name = tr('fdroidThirdPartyRepo');
-    overrideEligible = true;
 
     additionalSourceAppSpecificSettingFormItems = [
       [

lib/app_sources/github.dart

@@ -13,7 +13,6 @@ import 'package:url_launcher/url_launcher_string.dart';
 class GitHub extends AppSource {
   GitHub() {
     host = 'github.com';
-    overrideEligible = true;
 
     additionalSourceSpecificSettingFormItems = [
       GeneratedFormTextField('github-creds',

lib/app_sources/gitlab.dart

@@ -14,7 +14,6 @@ import 'package:url_launcher/url_launcher_string.dart';
 class GitLab extends AppSource {
   GitLab() {
     host = 'gitlab.com';
-    overrideEligible = true;
     canSearch = true;
 
     additionalSourceSpecificSettingFormItems = [

lib/app_sources/html.dart

@@ -85,10 +85,6 @@ bool _isNumeric(String s) {
 }
 
 class HTML extends AppSource {
-  HTML() {
-    overrideEligible = true;
-  }
-
   @override
   // TODO: implement requestHeaders choice, hardcoded for now
   Map<String, String>? get requestHeaders => {

lib/app_sources/jenkins.dart

@@ -6,7 +6,6 @@ import 'package:obtainium/providers/source_provider.dart';
 
 class Jenkins extends AppSource {
   Jenkins() {
-    overrideEligible = true;
     overrideVersionDetectionFormDefault('releaseDateAsVersion', true);
   }
 

lib/app_sources/sourceforge.dart

@@ -6,7 +6,6 @@ import 'package:obtainium/providers/source_provider.dart';
 class SourceForge extends AppSource {
   SourceForge() {
     host = 'sourceforge.net';
-    overrideEligible = true;
   }
 
   @override

lib/app_sources/sourcehut.dart

@@ -9,7 +9,6 @@ import 'package:easy_localization/easy_localization.dart';
 class SourceHut extends AppSource {
   SourceHut() {
     host = 'git.sr.ht';
-    overrideEligible = true;
 
     additionalSourceAppSpecificSettingFormItems = [
       [