RFR: 8322300: Remove redundant arg in PSAdaptiveSizePolicy::adjust_promo_for_pause_time

[Albert Mingkun Yang]

Trivial removing redundant code.

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Commit messages:
 - pgc-remove-is-full

Changes: https://git.openjdk.org/jdk/pull/17148/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=17148&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8322300
  Stats: 8 lines in 2 files changed: 0 ins; 2 del; 6 mod
  Patch: https://git.openjdk.org/jdk/pull/17148.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17148/head:pull/17148

PR: https://git.openjdk.org/jdk/pull/17148