fix: docs

internal/config/repository.go

@@ -19,7 +19,6 @@ func (r *Repository) Get(key string) (*ConfigEntry, error) {
 }
 
 func (r *Repository) Upsert(key, value string) error {
-	// Prefer a simple approach that works across sqlite/postgres/mysql.
 	// Try update first, then insert if nothing updated.
 	res := r.db.Model(&ConfigEntry{}).Where("key = ?", key).Update("value", value)
 	if res.Error != nil {