Remove wxLogWindow::OnFrameCreate() virtual method.

This method couldn't be overridden by the classes deriving from wxLogWindow
because it was called (indirectly) from wxLogWindow ctor itself and so was
completely useless. Just remove it to avoid confusion.

Closes #12763.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@73622 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/wx/log.h

@@ -949,12 +949,6 @@ public:
     */
     virtual bool OnFrameClose(wxFrame* frame);
 
-    /**
-        Called immediately after the log frame creation allowing for
-        any extra initializations.
-    */
-    virtual void OnFrameCreate(wxFrame* frame);
-
     /**
         Called right before the log frame is going to be deleted: will
         always be called unlike OnFrameClose().