ecore-anim: Remove unused variable

Gcc reports 'i' as unused here and checking the code confirms that, so
remove unused variable.

Signed-off-by: Chris Michael <cp.michael@samsung.com>

src/lib/ecore/ecore_anim.c

@@ -423,8 +423,6 @@ _timer_tick_end(void)
 static void
 _timer_tick_quit(void)
 {
-   int i;
-
    if (timer_fd_read < 0) return;
    _tick_send(-1);
    if (timer_thread) ecore_thread_wait(timer_thread, 0.5);