RFR: 8328648: Remove applet usage from JFileChooser tests bug4150029 [v5]

[Alisen Chung]

> Removing applet usage from manual JFileChooser tests

Alisen Chung has updated the pull request incrementally with one additional commit since the last revision:

  removed second pass check

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Changes:
  - all: https://git.openjdk.org/jdk/pull/18415/files
  - new: https://git.openjdk.org/jdk/pull/18415/files/5a05f64b..eb58531e

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=18415&range=04
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18415&range=03-04

  Stats: 17 lines in 1 file changed: 1 ins; 12 del; 4 mod
  Patch: https://git.openjdk.org/jdk/pull/18415.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18415/head:pull/18415

PR: https://git.openjdk.org/jdk/pull/18415