Daniel Pekarek

The `-dontshrink` and `-dontoptimize` options for Proguard are [hardcoded in mx](https://github.com/graalvm/mx/blob/72406c2cdb9a847222ce0ef7ddb60ec29b2d5511/mx.py#L1823). This makes it impossible to have a distribution that is optimized by Proguard. Is it possible to remove these...