Cleanup tcod samples #967

Job	Run time
ruff	5s
mypy	21s
sdist	40s
tox (ubuntu-latest)	1m 50s
tox (windows-latest)	2m 31s
test-docs	2m 57s
build (ubuntu-latest, 3.8, x64)	5m 45s
build (ubuntu-latest, pypy-3.8, x64)	4m 11s
parse_sdl (windows-latest, 2.0.14)	39s
parse_sdl (macos-latest, 2.30.0)	21s
parse_sdl (windows-latest, 2.30.0)	42s
build (windows-latest, 3.8, x64)	3m 42s
parse_sdl (windows-latest, 2.0.16)	47s
build (windows-latest, 3.8, x86)	4m 4s
linux-wheels (x86_64, cp38-manylinux*)	1m 53s
build (windows-latest, pypy-3.8, x64)	4m 44s
parse_sdl (macos-latest, 2.0.14)	22s
parse_sdl (macos-latest, 2.0.16)	23s
build (windows-latest, pypy-3.8, x86)	5m 1s
linux-wheels (aarch64, cp38-manylinux*)	12m 35s
linux-wheels (x86_64, pp38-manylinux*)	2m 0s
build-macos (pp38-*)	4m 8s
linux-wheels (aarch64, pp38-manylinux*)	11m 43s
build-macos (cp38-*_universal2)	5m 57s
publish	0s
	1h 17m 21s

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