Remove unnecessary parameter (#29092)

The parameter extraConfigs has never been used anywhere. This PR just
removed it. It can be taken back once it's needed.

models/unittest/testdb.go

@@ -44,12 +44,12 @@ func fatalTestError(fmtStr string, args ...any) {
 }
 
 // InitSettings initializes config provider and load common settings for tests
-func InitSettings(extraConfigs ...string) {
+func InitSettings() {
 	if setting.CustomConf == "" {
 		setting.CustomConf = filepath.Join(setting.CustomPath, "conf/app-unittest-tmp.ini")
 		_ = os.Remove(setting.CustomConf)
 	}
-	setting.InitCfgProvider(setting.CustomConf, strings.Join(extraConfigs, "\n"))
+	setting.InitCfgProvider(setting.CustomConf)
 	setting.LoadCommonSettings()
 
 	if err := setting.PrepareAppDataPath(); err != nil {

modules/setting/config_provider.go

@@ -196,7 +196,7 @@ func NewConfigProviderFromData(configContent string) (ConfigProvider, error) {
 
 // NewConfigProviderFromFile load configuration from file.
 // NOTE: do not print any log except error.
-func NewConfigProviderFromFile(file string, extraConfigs ...string) (ConfigProvider, error) {
+func NewConfigProviderFromFile(file string) (ConfigProvider, error) {
 	cfg := ini.Empty(configProviderLoadOptions())
 	loadedFromEmpty := true
 
@@ -213,12 +213,6 @@ func NewConfigProviderFromFile(file string, extraConfigs ...string) (ConfigProvi
 		}
 	}
 
-	for _, s := range extraConfigs {
-		if err := cfg.Append([]byte(s)); err != nil {
-			return nil, fmt.Errorf("unable to append more config: %v", err)
-		}
-	}
-
 	cfg.NameMapper = ini.SnackCase
 	return &iniConfigProvider{
 		file:            file,

modules/setting/setting.go

@@ -90,9 +90,9 @@ func PrepareAppDataPath() error {
 	return nil
 }
 
-func InitCfgProvider(file string, extraConfigs ...string) {
+func InitCfgProvider(file string) {
 	var err error
-	if CfgProvider, err = NewConfigProviderFromFile(file, extraConfigs...); err != nil {
+	if CfgProvider, err = NewConfigProviderFromFile(file); err != nil {
 		log.Fatal("Unable to init config provider from %q: %v", file, err)
 	}
 	CfgProvider.DisableSaving() // do not allow saving the CfgProvider into file, it will be polluted by the "MustXxx" calls