40f2d4c988
in 3cd2a61736, we dropped scylla-jmx
from the build. but didn't update the CMake building system accordingly,
this broke the CMake build, as the dependencies pointing to jmx cannot
be found or fulfilled.
in this change, we remove all references to jmx in the CMake build.
Signed-off-by: Laszlo Ersek <laszlo.ersek@scylladb.com>
Closes scylladb/scylladb#20736