[jdk21u] RFR: 8310596: Utilize existing method frame::interpreter_frame_monitor_size_in_bytes()

[Martin Doerr]

Clean backport of [JDK-8310596](https://bugs.openjdk.org/browse/JDK-8310596). This is just a minor cleanup, but it enables clean backport of other fixes (e.g. [JDK-8316746](https://bugs.openjdk.org/browse/JDK-8316746)).

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Commit messages:
 - Backport 7fbad4cd5e2b6107410e82ae774aa8b5c05f6054

Changes: https://git.openjdk.org/jdk21u/pull/343/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21u&pr=343&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8310596
  Stats: 58 lines in 21 files changed: 6 ins; 21 del; 31 mod
  Patch: https://git.openjdk.org/jdk21u/pull/343.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u.git pull/343/head:pull/343

PR: https://git.openjdk.org/jdk21u/pull/343