Backend: Remove unused code (#28933)

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

pkg/services/provisioning/datasources/config_reader_test.go

@@ -35,7 +35,6 @@ func TestDatasourceAsConfig(t *testing.T) {
 		bus.AddHandler("test", mockInsert)
 		bus.AddHandler("test", mockUpdate)
 		bus.AddHandler("test", mockGet)
-		bus.AddHandler("test", mockGetAll)
 		bus.AddHandler("test", mockGetOrg)
 
 		Convey("apply default values when missing", func() {
@@ -282,11 +281,6 @@ func mockInsert(cmd *models.AddDataSourceCommand) error {
 	return nil
 }
 
-func mockGetAll(cmd *models.GetAllDataSourcesQuery) error {
-	cmd.Result = fakeRepo.loadAll
-	return nil
-}
-
 func mockGet(cmd *models.GetDataSourceByNameQuery) error {
 	for _, v := range fakeRepo.loadAll {
 		if cmd.Name == v.Name && cmd.OrgId == v.OrgId {