Update README.md

Author: yanglbme

README.md

@@ -10,19 +10,13 @@ You can play around (run and edit) the Algorithms or contribute to them using Gi
 
 
 ### All algorithms implemented in Java (for education)
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 These implementations are for learning purposes. They may be less efficient than the implementations in the Java standard library.
 
 ## Contribution Guidelines
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 Read our [Contribution Guidelines](CONTRIBUTING.md) before you contribute.
 
-[![Open in Gitpod](https://gitpod.io/button/open-in-gitpod.svg?style=flat-square)](https://gitpod.io/#https://github.com/TheAlgorithms/java)
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 ## Community Channel
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 We're on [Gitter](https://gitter.im/TheAlgorithms)! Please join us.
 
 ## Algorithms
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 See our [directory](DIRECTORY.md).