<AWT Dev> RFR: 8268481: Delete JAWT test files for mac

[Sergey Bylokhov]

Due to some issues, we need to delete these files. Later this test case will be updated and reintegrated.

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Commit messages:
 - Revert "8263928: Add JAWT test files for mac"

Changes: https://git.openjdk.java.net/jdk/pull/4440/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=4440&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8268481
  Stats: 228 lines in 3 files changed: 0 ins; 228 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4440.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4440/head:pull/4440

PR: https://git.openjdk.java.net/jdk/pull/4440