[PUSHED] Java cleanup, remove unnecessary casts

[Fridrich Strba (via Code Review)]

Hi,

Thank you for your patch!  It has been merged to LibreOffice.

If you are interested in details, please visit

    https://gerrit.libreoffice.org/3431

Approvals:
  Fridrich Strba: Verified; Looks good to me, approved


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Gerrit-MessageType: merged
Gerrit-Change-Id: Id12089bc7df16631737e6acaee0973fb91dd953f
Gerrit-PatchSet: 2
Gerrit-Project: core
Gerrit-Branch: master
Gerrit-Owner: Noel Grandin <noelgrandin at gmail.com>
Gerrit-Reviewer: Fridrich Strba <fridrich at documentfoundation.org>