244ed3d184
This commit removes:
- Instructions to install scylla-jmx (and all references)
- The Java 11 requirement for Ubuntu.
Fixes https://github.com/scylladb/scylladb/issues/28249
Fixes https://github.com/scylladb/scylladb/issues/28252
Closes scylladb/scylladb#28254
(cherry picked from commit 64b1798513)
Closes scylladb/scylladb#28888
Closes scylladb/scylladb#28906
Closes scylladb/scylladb#28922