RFR: 8254974: Fix stutter typo in TypeElement

[Joe Darcy]

Fix "the the" stutter typo.

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Commit messages:
 - 8254974: Fix stutter typo in TypeElement

Changes: https://git.openjdk.java.net/jdk/pull/754/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=754&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8254974
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/754.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/754/head:pull/754

PR: https://git.openjdk.java.net/jdk/pull/754