Update README.md

Author: yingDev

README.md

@@ -6,7 +6,6 @@ Instant audio feedback for typing. For MacOS X.
 
 A demo for learning `Rust`.
 
-![Tickeys UI](http://ww4.sinaimg.cn/mw690/8cc88963gw1f07l16wpz3j20lj0j8mzo.jpg)
 ![Tickeys UI](http://ww4.sinaimg.cn/mw690/8cc88963gw1f07l16wpz3j20lj0j8mzo.jpg)
 ![Tickeys UI](http://ww2.sinaimg.cn/mw690/8cc88963gw1f07l168crrj20i70gf406.jpg)