RFR: 8326066: Parallel: Remove redundant ParallelScavengeHeap::resize_all_tlabs

[Albert Mingkun Yang]

Trivial removing redundant code.

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Commit messages:
 - trivial

Changes: https://git.openjdk.org/jdk/pull/17892/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=17892&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8326066
  Stats: 5 lines in 2 files changed: 0 ins; 5 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/17892.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17892/head:pull/17892

PR: https://git.openjdk.org/jdk/pull/17892