RFR: 8361697: Remove duplicate message in MainResources.properties

[Pooja-DP]

Bug reference: https://bugs.openjdk.org/browse/JDK-8361697

The following message is removed:

`
MSG_BundlerFailed=Error: Bundler "{1}" ({0}) failed to produce a package`

Signed-off-by: Pooja.D.P1 <Pooja.D.P1 at ibm.com>

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Commit messages:
 - Update MainResources.properties with duplicate message removal

Changes: https://git.openjdk.org/jdk/pull/26215/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=26215&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8361697
  Stats: 1 line in 1 file changed: 0 ins; 1 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/26215.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/26215/head:pull/26215

PR: https://git.openjdk.org/jdk/pull/26215