RFR: 8289381: Fix warnings: The assignment to variable has no effect

[Andy Goryachev]

trivial change, removed unnecessary code.

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Commit messages:
 - 8289381: fixed The assignment to variable has no effect

Changes: https://git.openjdk.org/jfx/pull/822/files
 Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=822&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8289381
  Stats: 4 lines in 2 files changed: 0 ins; 1 del; 3 mod
  Patch: https://git.openjdk.org/jfx/pull/822.diff
  Fetch: git fetch https://git.openjdk.org/jfx pull/822/head:pull/822

PR: https://git.openjdk.org/jfx/pull/822