Fix bad value 'auto' for img height attribute

Author: yawnoc

index.cmd

@@ -32,8 +32,8 @@ See b<https://github.com/stroke-input> for the GitHub organisation.
 ### Stroke Input Method (筆畫輸入法) for Android
 
 ==
-- [![Get it on F-Droid]{width=180 height=auto}(https://fdroid.gitlab.io/artwork/badge/get-it-on.png)][f-droid]
-- [![Get it on Google Play]{width=180 height=auto}(https://play.google.com/intl/en_us/badges/static/images/badges/en_badge_web_generic.png)][google-play]
+- [![Get it on F-Droid]{width=180}(https://fdroid.gitlab.io/artwork/badge/get-it-on.png)][f-droid]
+- [![Get it on Google Play]{width=180}(https://play.google.com/intl/en_us/badges/static/images/badges/en_badge_web_generic.png)][google-play]
 - [Source code on GitHub](https://github.com/stroke-input/stroke-input-android)
 ==
 

index.html

@@ -21,10 +21,10 @@ <h2>Implementations</h2>
 <h3>Stroke Input Method (<span lang="zh-Hant">筆畫輸入法</span>) for Android</h3>
 <ul>
 <li>
-<a href="https://f-droid.org/en/packages/io.github.yawnoc.strokeinput/"><img alt="Get it on F-Droid" src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png" width="180" height="auto"></a>
+<a href="https://f-droid.org/en/packages/io.github.yawnoc.strokeinput/"><img alt="Get it on F-Droid" src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png" width="180"></a>
 </li>
 <li>
-<a href="https://play.google.com/store/apps/details?id=io.github.yawnoc.strokeinput"><img alt="Get it on Google Play" src="https://play.google.com/intl/en_us/badges/static/images/badges/en_badge_web_generic.png" width="180" height="auto"></a>
+<a href="https://play.google.com/store/apps/details?id=io.github.yawnoc.strokeinput"><img alt="Get it on Google Play" src="https://play.google.com/intl/en_us/badges/static/images/badges/en_badge_web_generic.png" width="180"></a>
 </li>
 <li>
 <a href="https://github.com/stroke-input/stroke-input-android">Source code on GitHub</a>