Debugger: Remove unused functions from DebuggerRunControl

Change-Id: I84a130e526b5b23ab2bf9774586d872f0252b256
Reviewed-by: hjk <hjk121@nokiamail.com>

src/plugins/debugger/debuggerrunner.h

@@ -66,7 +66,6 @@ public:
     QString displayName() const;
     QIcon icon() const;
 
-    void setCustomEnvironment(Utils::Environment env);
     void startFailed();
     void debuggingFinished();
     ProjectExplorer::RunConfiguration *runConfiguration() const;
@@ -80,9 +79,6 @@ signals:
 private slots:
     void handleFinished();
 
-protected:
-    const DebuggerStartParameters &startParameters() const;
-
 private:
     //friend class Internal::DebuggerRunControlFactory;
     Internal::DebuggerRunControlPrivate *d;