convert dokodemo scenario test to protobuf based

testing/scenarios/data/test_2_client.json

@@ -1,39 +0,0 @@
-{
-  "port": 50010,
-  "inbound": {
-    "listen": "127.0.0.1",
-    "protocol": "socks",
-    "settings": {
-      "auth": "noauth",
-      "udp": false,
-      "ip": "127.0.0.1"
-    }
-  },
-  "outbound": {
-    "protocol": "vmess",
-    "settings": {
-      "vnext": [
-        {
-          "address": "127.0.0.1",
-          "port": 50017,
-          "users": [
-            {"id": "d17a1af7-efa5-42ca-b7e9-6a35282d737f"}
-          ]
-        }
-      ]
-    }
-  },
-  "inboundDetour": [
-    {
-      "protocol": "dokodemo-door",
-      "listen": "127.0.0.1",
-      "port": "50011-50015",
-      "settings": {
-        "address": "127.0.0.1",
-        "port": 50016,
-        "network": "tcp",
-        "timeout": 0
-      }
-    }
-  ]
-}

testing/scenarios/data/test_2_server.json

@@ -1,22 +0,0 @@
-{
-  "port": 50017,
-  "log": {
-    "loglevel": "none"
-  },
-  "inbound": {
-    "listen": "127.0.0.1",
-    "protocol": "vmess",
-    "settings": {
-      "clients": [
-        {
-          "id": "d17a1af7-efa5-42ca-b7e9-6a35282d737f",
-          "level": 1
-        }
-      ]
-    }
-  },
-  "outbound": {
-    "protocol": "freedom",
-    "settings": {}
-  }
-}