New ascii logo for 2.6.x (#2402)

Author: carryxyh

dubbo-plugin/dubbo-qos/src/main/java/com/alibaba/dubbo/qos/server/DubboLogo.java

@@ -17,15 +17,9 @@
 package com.alibaba.dubbo.qos.server;
 
 public class DubboLogo {
-    public static String dubbo =
-                    "  ████████▄  ███    █▄  ▀█████████▄  ▀█████████▄   ▄██████▄  \n" +
-                    "  ███   ▀███ ███    ███   ███    ███   ███    ███ ███    ███ \n" +
-                    "  ███    ███ ███    ███   ███    ███   ███    ███ ███    ███ \n" +
-                    "  ███    ███ ███    ███  ▄███▄▄▄██▀   ▄███▄▄▄██▀  ███    ███ \n" +
-                    "  ███    ███ ███    ███ ▀▀███▀▀▀██▄  ▀▀███▀▀▀██▄  ███    ███ \n" +
-                    "  ███    ███ ███    ███   ███    ██▄   ███    ██▄ ███    ███ \n" +
-                    "  ███   ▄███ ███    ███   ███    ███   ███    ███ ███    ███ \n" +
-                    "  ████████▀  ████████▀  ▄█████████▀  ▄█████████▀   ▀██████▀  \n" +
-                    "                                                             \n" +
-                    "\n";
+    public static final String dubbo =
+                    "   ___   __  __ ___   ___   ____     \n" +
+                    "  / _ \\ / / / // _ ) / _ ) / __ \\  \n" +
+                    " / // // /_/ // _  |/ _  |/ /_/ /    \n" +
+                    "/____/ \\____//____//____/ \\____/   \n";
 }