tools: Remove some notifier dependencies

The script that starts the notifier adds to the classpath some
dependencies that are not needed, this patch removes them.

Change-Id: I592f0c0150b5f7f252ddca9666aa1fa68a0d30e3
Bug-Url: https://bugzilla.redhat.com/911216
Signed-off-by: Juan Hernandez <juan.hernandez@redhat.com>