### Search before asking - [X] I had searched in the [issues](https://github.com/apache/shiro/issues?q=is%3Aissue) and found no similar issues. ### Enhancement Request Guice 3 support is unstable and old, it should be removed ### Describe the solution you'd like Remove Guice 3 support ### Are you willing to submit PR? - [X] Yes I am willing to submit a PR!
