Use lombok not lombok-pg.

Change-Id: Iddd21b4fc958645e4a7fdb33aee421f4408d639d
Reviewed-on: http://gerrit.dmdirc.com/2798
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Update submodules: plugins (new commits)

plugins:
    1b5f8b0 Chris Smith <chris@dmdirc.com>
            Switch to plain lombok.

            Gerrit: http://gerrit.dmdirc.com/2799

Change-Id: I65dde71f890a0279133a8b07492ca1af42e04244