Revert "too much effort into the garbage"

This reverts commit a2e84379a9.

oauth2server/server/server.go

@@ -2,7 +2,6 @@ package server
 
 import (
 	"fmt"
-
 	"gitea.inhome.blapointe.com/local/oauth2/oauth2server/config"
 	"gitea.inhome.blapointe.com/local/router"
 	"gitea.inhome.blapointe.com/local/storage"
@@ -15,6 +14,7 @@ var wildcard = router.Wildcard
 const (
 	USERS  = "users"
 	ACCESS = "access"
+	TOKEN  = "token"
 	SALT   = "salt"
 )
 
@@ -42,6 +42,10 @@ func purgeIssuedCredentials(store storage.DB) {
 	for _, access := range accesses {
 		store.Set(access, nil, ACCESS)
 	}
+	tokens, _ := store.List([]string{TOKEN})
+	for _, token := range tokens {
+		store.Set(token, nil, TOKEN)
+	}
 }
 
 func wrapBody(title, body string) string {