Port 0a110021

Original Commit Message:

    All architectures have kSupportsFixedDeoptExitSizes = true, so we can
    remove kSupportsFixedDeoptExitSizes entirely and always have fixed-size
    deopts.

R=leszeks@chromium.org, joransiu@ca.ibm.com, junyan@redhat.com, midawson@redhat.com
BUG=
LOG=N

Change-Id: If33d936ea59e6add15b835793637fc50f28d07fd
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3557254Reviewed-by: Junliang Yan <junyan@redhat.com>
Commit-Queue: Milad Farazmand <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/main@{#79657}