Update README.md with the new icon

Signed-off-by: Quentin Guidée <[email protected]>

README.md

@@ -1,13 +1,8 @@
 <p align="center">
-    <img width="256" height="256" src="https://github.com/quentinguidee/gitignore-ultimate/raw/main/icon-1024.png" />
+    <img src="./icon.png" />
 </p>
 <h1 align="center">Gitignore Ultimate — VSCode</h1>
 
-<p align="center">
-<a src="https://marketplace.visualstudio.com/items?itemName=quentinguidee.gitignore-ultimate&ssr=false#overview"><img alt="Visual Studio Marketplace Version" src="https://img.shields.io/visual-studio-marketplace/v/quentinguidee.gitignore-ultimate?style=for-the-badge&color=red&logo=visual-studio-code"></a>
-<img alt="GitHub" src="https://img.shields.io/github/license/quentinguidee/gitignore-ultimate?style=for-the-badge&color=red&logo=open-source-initiative&logoColor=white">
-</p>
-
 ---
 
 Ultimate extensions are a group of extensions allowing faster coding in VSCode. Gitignore Ultimate allows to speed up the drafting of `.gitignore` files.