RFR: 8342886: Update MET timezone in TimeZoneNames files [v2]

[Gautham Krishnan]

> MET timezone entry in TimeZoneNames.java and TimeZoneNames_*.java needs to be updated as MET is alias to Europe/Brussels as per 2024b tzdata changes.
> 
> Also Bug4848242.java needs to be removed as the test expects all euro locale time zones should have the same short names.

Gautham Krishnan has updated the pull request incrementally with one additional commit since the last revision:

  Bringing back  Bug4848242.java
  
  Reverting the change to delete Bug4848242.java  as it is still worth testing, with comments adjusted.

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Changes:
  - all: https://git.openjdk.org/jdk/pull/24871/files
  - new: https://git.openjdk.org/jdk/pull/24871/files/4087d825..93ecce79

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=24871&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=24871&range=00-01

  Stats: 71 lines in 1 file changed: 71 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/24871.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24871/head:pull/24871

PR: https://git.openjdk.org/jdk/pull/24871