Remove xrepaint_noclear

Remove the now obsolete function.

xwin.c

@@ -59,7 +59,6 @@ extern int xsetup();
 extern int xmainloop();
 extern void xclear();
 extern void xrepaint();
-extern void xrepaint_noclear();
 extern void xdrawrect();
 
 /*
@@ -334,6 +333,7 @@ a_removehelp(Widget w, XEvent* event, String* params, Cardinal* num_params)
  * callback routines 
  */
 
+static void setRepaintWhenIdle();
 
 static void
 c_repaint(Widget w, XtPointer data, XEvent* event, Boolean* continue_to_dispatch)
@@ -498,14 +498,6 @@ void xrepaint()
     repaint(xwa.width, xwa.height);
 }
 
-void xrepaint_noclear()
-{
-    XWindowAttributes xwa;
-
-    XGetWindowAttributes(dpy, win, &xwa);
-    repaint(xwa.width, xwa.height);
-}
-
 void readable_float(float number, char* number_label)
 {
     char number_string[1024];