[12.x] Clean up PHP_VERSION_ID conditions for unsupported PHP versions

Problem/Motivation

Core has few checks for PHP_VERSION_ID which added for newer PHP versions
Before Drupal 12 is release conditional logic for unsupported versions require clean-up

Steps to reproduce

Use git grep PHP_VERSION_ID to find all places

Proposed resolution

Clean-up conditions for PHP 8.4 (the minimal required version )

Remaining tasks

find, fix, review, commit

User interface changes

Introduced terminology

API changes

Data model changes

Release notes snippet