Change esdoc config

Author: tsov

esdoc.json

@@ -2,17 +2,7 @@
   "source": "./src",
   "destination": "./docs",
   "plugins": [
-    {
-      "name": "esdoc-standard-plugin",
-      "option": {
-        "manual": {
-          "files": [
-            "./src/Draggable/README.md",
-            "./src/Sortable/README.md"
-          ]
-        }
-      }
-    },
+    {"name": "esdoc-standard-plugin"},
     {"name": "esdoc-ecmascript-proposal-plugin", "option": {"all": true}}
   ]
 }