Cleanup tcod samples #966

Job	Run time
mypy	26s
sdist	38s
ruff	13s
tox (windows-latest)	2m 41s
tox (ubuntu-latest)	1m 54s
build (ubuntu-latest, pypy-3.8, x64)	4m 9s
build (ubuntu-latest, 3.8, x64)	4m 17s
build (windows-latest, pypy-3.8, x64)	4m 42s
build (windows-latest, pypy-3.8, x86)	5m 12s
build (windows-latest, 3.8, x64)	3m 28s
parse_sdl (macos-latest, 2.0.16)	34s
parse_sdl (macos-latest, 2.30.0)	19s
test-docs	2m 33s
parse_sdl (windows-latest, 2.30.0)	43s
parse_sdl (macos-latest, 2.0.14)	22s
parse_sdl (windows-latest, 2.0.16)	45s
parse_sdl (windows-latest, 2.0.14)	47s
build (windows-latest, 3.8, x86)	4m 0s
linux-wheels (x86_64, pp38-manylinux*)	1m 55s
linux-wheels (aarch64, cp38-manylinux*)	12m 23s
linux-wheels (aarch64, pp38-manylinux*)	11m 23s
linux-wheels (x86_64, cp38-manylinux*)	2m 3s
build-macos (pp38-*)	3m 56s
build-macos (cp38-*_universal2)	5m 24s
publish	0s
	1h 14m 47s

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