[jdk17u-dev] RFR: 8276880: Remove java/lang/RuntimeTests/exec/ExecWithDir as unnecessary

[Martin Doerr]

Backport of [JDK-8276880](https://bugs.openjdk.java.net/browse/JDK-8276880)

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Commit messages:
 - Backport d7012fbd604fc1a54a2d7364a6ca4a32f47ffc7c

Changes: https://git.openjdk.java.net/jdk17u-dev/pull/337/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17u-dev&pr=337&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8276880
  Stats: 61 lines in 1 file changed: 0 ins; 61 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk17u-dev/pull/337.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17u-dev pull/337/head:pull/337

PR: https://git.openjdk.java.net/jdk17u-dev/pull/337