minor #1614 Remove the psh button (fabpot)

This PR was merged into the main branch.

Discussion
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Remove the psh button

Commits
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b550d0f Remove the psh button

Author: fabpot

README.md

@@ -38,13 +38,6 @@ cd my_project/
 composer install
 ```
 
-**Option 3.** Click the following button to deploy this project on Platform.sh,
-the official Symfony PaaS, so you can try it without installing anything locally:
-
-<p align="center">
-<a href="https://console.platform.sh/projects/create-project?template=https://raw.githubusercontent.com/symfonycorp/platformsh-symfony-template-metadata/main/symfony-demo.template.yaml&utm_content=symfonycorp&utm_source=github&utm_medium=button&utm_campaign=deploy_on_platform"><img src="https://platform.sh/images/deploy/lg-blue.svg" alt="Deploy on Platform.sh" width="180px" /></a>
-</p>
-
 Usage
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