IDC: deprecate unused methods #51539

Job	Run time
detect changed files	9s
Changelogger use	19s
Changelogger validity	50s
Copied files are in sync	5s
Project structure	1m 37s
PHP lint (7.0)	26s
PHP Compatibility	1m 2s
PHP lint (7.2)	28s
ESLint (non-excluded files only)	2m 13s
PHP lint (7.4)	28s
PHP lint (8.0)	30s
PHP Code Sniffer (non-excluded files only)	1m 34s
PHP Code Sniffer (changes to excluded files only)	32s
PHP lint (8.1)	32s
PHP lint (8.2)	35s
Check linter exclude lists	1m 58s
PHP lint (8.3)	34s
ESLint (changes to excluded files only)	0s
Lint GitHub Actions yaml files	26s
Lock files are up to date	2m 11s
Monorepo package version refs	1m 13s
	17m 42s

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