clean up full_description.txt (#133)

fastlane/metadata/android/en-US/full_description.txt

@@ -1,10 +1,5 @@
-<p><a href="https://flutter.dev/"><img src="https://img.shields.io/badge/flutter-3.24.4-blue" alt="flutter"></a>
-<a href="https://github.com/venera-app/venera/blob/master/LICENSE"><img src="https://img.shields.io/github/license/venera-app/venera" alt="License"></a>
-<a href="https://github.com/venera-app/venera/releases"><img src="https://img.shields.io/github/v/release/venera-app/venera" alt="Download"></a>
-<a href="https://github.com/venera-app/venera/stargazers"><img src="https://img.shields.io/github/stars/venera-app/venera" alt="stars"></a>
-<a href="https://t.me/+Ws-IpmUutzkxMjhl"><img src="https://img.shields.io/badge/Telegram-2CA5E0?style=flat&amp;logo=telegram&amp;logoColor=white" alt="Telegram"></a></p>
 <p>A comic reader that support reading local and network comics.</p>
-<h2>Features</h2>
+<h3>Features</h3>
 <ul>
 <li>Read local comics</li>
 <li>Use javascript to create comic sources</li>
@@ -14,16 +9,7 @@
 <li>View comments, tags, and other information of comics if the source supports</li>
 <li>Login to comment, rate, and other operations if the source supports</li>
 </ul>
-<h2>Build from source</h2>
-<ol>
-<li>Clone the repository</li>
-<li>Install flutter, see <a href="https://flutter.dev/docs/get-started/install">flutter.dev</a></li>
-<li>Install rust, see <a href="https://rustup.rs/">rustup.rs</a></li>
-<li>Build for your platform: e.g. <code>flutter build apk</code></li>
-</ol>
-<h2>Create a new comic source</h2>
-<p>See <a href="https://github.com/venera-app/venera-configs">venera-configs</a></p>
-<h2>Thanks</h2>
-<h3>Tags Translation</h3>
-<p><a href="https://github.com/EhTagTranslation/Database"><img src="https://github-readme-stats.vercel.app/api/pin/?username=EhTagTranslation&amp;repo=Database" alt="Readme Card"></a></p>
+<h3>Thanks</h3>
+<h4>Tags Translation</h4>
+<li><a href="https://github.com/EhTagTranslation/Database">github.com/EhTagTranslation/Database</a></li>
 <p>The Chinese translation of the manga tags is from this project.</p>