RFR: 8267553: Extra JavaThread assignment in ClassLoader::create_class_path_entry()

[David Holmes]

This is a trivial cleanup that was missed when "JDK-8252685 APIs that require JavaThread should take JavaThread arguments " was merged and integrated.

Thanks to @calvinccheung for spotting this.

Testing: tiers 1-3 (in progress)

Thanks,
David

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Commit messages:
 - 8267553: Extra JavaThread assignment in ClassLoader::create_class_path_entry()

Changes: https://git.openjdk.java.net/jdk/pull/4160/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=4160&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8267553
  Stats: 4 lines in 1 file changed: 0 ins; 1 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4160.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4160/head:pull/4160

PR: https://git.openjdk.java.net/jdk/pull/4160