Issue #903 - Replace Nashorn with GraalVM.
Issue #903 - Replace Nashorn with GraalVM.

Removed unnecessary, commented out, dependency.

Signed-off-by: Simone Bordet <1b808347a4282b7224660588832cfd5331220839@gmail.com>

cometd/cometd,cometd/cometd,cometd/cometd,cometd/cometd