RFR: 8328378: Convert java/awt/FileDialog/FileDialogForDirectories test to main

[Alexander Zuev]

Convert test to main manual and move to the appropriate folder
Remove old files

-------------

Commit messages:
 - 8328378: Convert java/awt/FileDialog/FileDialogForDirectories test to main

Changes: https://git.openjdk.org/jdk/pull/18358/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=18358&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8328378
  Stats: 218 lines in 3 files changed: 89 ins; 129 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/18358.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18358/head:pull/18358

PR: https://git.openjdk.org/jdk/pull/18358