RFR: 8288378: [BACKOUT] DST not applying properly with zone id offset set with TZ env variable

[Naoto Sato]

Backing out a fix that is causing a T1 failure.

This reverts commit 9b6d0a7e94fd18d302c559bec6f785d71a919a88.

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Commit messages:
 - 8288378: [BACKOUT] DST not applying properly with zone id offset set with TZ env variable

Changes: https://git.openjdk.org/jdk/pull/9151/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=9151&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8288378
  Stats: 95 lines in 2 files changed: 1 ins; 91 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/9151.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9151/head:pull/9151

PR: https://git.openjdk.org/jdk/pull/9151