Simpilify configuration files

proxy/freedom/config/json/json.go

@@ -0,0 +1,15 @@
+package json
+
+import (
+	"github.com/v2ray/v2ray-core/config"
+	"github.com/v2ray/v2ray-core/config/json"
+)
+
+type FreedomConfiguration struct {
+}
+
+func init() {
+	json.RegisterConfigType("freedom", config.TypeOutbound, func() interface{} {
+		return &FreedomConfiguration{}
+	})
+}