Remove the useless method stat() from the PluginBase class (#563)

README.md

@@ -113,7 +113,7 @@ void TestCtrl::asyncHandleHttpRequest(const HttpRequestPtr& req,
 }
 ```
 
-**Most of the above programs can be automatically generated by the command line tool `drogon_ctl` provided by drogon** (The cammand is `drogon_ctl create controller TestCtrl`). All the user needs to do is add their own business logic. In the example, the controller returns a `Hello, world!` string when the client accesses the `http://ip/test` URL.
+**Most of the above programs can be automatically generated by the command line tool `drogon_ctl` provided by drogon** (The command is `drogon_ctl create controller TestCtrl`). All the user needs to do is add their own business logic. In the example, the controller returns a `Hello, world!` string when the client accesses the `http://ip/test` URL.
 
 For JSON format response, we create the controller as follows:
 

lib/inc/drogon/plugins/Plugin.h

@@ -35,13 +35,6 @@ enum class PluginStatus
 class PluginBase : public virtual DrObjectBase, public trantor::NonCopyable
 {
   public:
-    /// This method is usually called by drogon.
-    /// It always returns PlugiinState::Initialized if the user calls it.
-    PluginStatus stat() const
-    {
-        return status_;
-    }
-
     /// This method must be called by drogon.
     void initialize()
     {