Removed Fl_Clock::update() declaration, because there was no implementation.

There was no documentation for Fl_Clock::update() in FLTK 1.1.

FL/Fl_Clock.H:
  removed Fl_Clock::update() declaration and comments.


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@6754 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

FL/Fl_Clock.H

@@ -122,11 +122,6 @@ public:
 class FL_EXPORT Fl_Clock : public Fl_Clock_Output {
 public:
   int handle(int);
-  /**
-    Undefined.
-    \todo Find Fl_Clock::update() implementation, if any, and document it.
-  */
-  void update();
 
   Fl_Clock(int X, int Y, int W, int H,  const char *L = 0);