Remove already-implemented TODO comments #18

Job	Run time
codeql	6m 2s
tests-docker (py-qt5, archlinux-webkit)	8m 55s
linters (pylint)	2m 56s
tests-docker (py-qt5, archlinux-webengine)	10m 56s
linters (flake8)	36s
tests-docker (py-qt5, archlinux-webengine-unstable)	11m 6s
tests (py37-pyqt5152, ubuntu-20.04, 3.8)	12m 38s
linters (mypy-pyqt6)	1m 7s
tests-docker (py, archlinux-webengine-qt6)	10m 31s
tests (py311-pyqt515, ubuntu-20.04, 3.11)	11m 28s
linters (mypy-pyqt5)	1m 4s
linters (docs)	38s
tests-docker (py, archlinux-webengine-unstable-qt6)	11m 17s
linters (vulture)	36s
tests (py37-pyqt62, ubuntu-20.04, 3.8)	12m 58s
linters (misc)	15s
linters (pyroma)	16s
linters (check-manifest)	20s
tests (py38-pyqt63, ubuntu-20.04, 3.8)	13m 6s
linters (eslint)	19s
tests (py39-pyqt64, ubuntu-20.04, 3.9)	14m 11s
tests (py310-pyqt65, ubuntu-22.04, 3.10)	12m 53s
linters (shellcheck, -f gcc)	11s
tests (py311-pyqt66, ubuntu-22.04, 3.11)	11m 16s
linters (yamllint)	15s
tests (py312-pyqt66, ubuntu-22.04, 3.12)	13m 20s
linters (actionlint)	16s
linters (package)	23s
tests (py312-pyqt66, macos-11, 3.12, tests/unit)	7m 49s
tests (py312-pyqt66, macos-12, 3.12, tests/unit)	6m 19s
tests (py312-pyqt66, windows-2019, 3.12)	17m 48s
irc	0s
	3h 21m 45s

Provide feedback