Move more NilClass methods to ruby #575

Job	Run time
cargo clippy	36s
cargo test	51s
make (check, --enable-yjit=dev, --yjit-call-threshold=1 --yjit-verify-ctx --yjit-code-gc, -T --yj...	15m 54s
make (yjit-bindgen, To fix: use patch in logs, --with-gcc=clang-14 --enable-yjit=dev, /usr/lib/ll...	4m 53s
make (check, RUSTC='rustc +1.58.0', 1.58.0)	8m 31s
make (test-bundled-gems, --enable-yjit=dev)	22m 32s
make (yjit-bench, --enable-yjit=dev, --yjit-stats, true)	5m 57s
make (check, --enable-yjit=dev)	11m 25s
YJIT Ubuntu result	2s
	1h 10m 41s

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