fix: remove some additional dependencies.

Accidentally added some of these back during merge.

Signed-off-by: Alastair Houghton <alastair@alastairs-place.net>

server/handlers_test.go

@@ -13,10 +13,6 @@ import (
 
 	gosundheit "github.com/AppsFlyer/go-sundheit"
 	"github.com/AppsFlyer/go-sundheit/checks"
-	"github.com/coreos/go-oidc/v3/oidc"
-	"github.com/gorilla/mux"
-	"github.com/stretchr/testify/require"
-	"golang.org/x/oauth2"
 
 	"github.com/dexidp/dex/storage"
 )