RFR: 8294321: Fix typos in files under test/jdk/java, test/jdk/jdk, test/jdk/jni

[Michael Ernst]

8294321: Fix typos in files under test/jdk/java, test/jdk/jdk, test/jdk/jni

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Commit messages:
 - Remove file that was removed upstream
 - Fix inconsistency in capitalization
 - Undo change in zlip
 - Fix typos

Changes: https://git.openjdk.org/jdk/pull/10029/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=10029&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8294321
  Stats: 317 lines in 108 files changed: 0 ins; 195 del; 122 mod
  Patch: https://git.openjdk.org/jdk/pull/10029.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/10029/head:pull/10029

PR: https://git.openjdk.org/jdk/pull/10029