Remove MINIATURIZE_ANIMATION_DELAY_{Z,F,T} tests

We know that they are non-zero because we set their
values explicitly in wconfig.h.in, so there is no
point in checking them.

src/superfluous.c

@@ -242,10 +242,7 @@ void DoKaboom(WScreen * scr, Window win, int x, int y)
 		}
 
 		XFlush(dpy);
-
-#if (MINIATURIZE_ANIMATION_DELAY_Z > 0)
 		wusleep(MINIATURIZE_ANIMATION_DELAY_Z * 2);
-#endif
 	}
 
 	XFreePixmap(dpy, tmp);