Remove redundant licence definition #1251

Job	Run time
Build wheel and source distribution	16s
Binary aarch64-unknown-linux-gnu (ubuntu-22.04)	2m 19s
Binary x86_64-unknown-linux-gnu (ubuntu-22.04)	1m 43s
Binary x86_64-unknown-linux-musl (ubuntu-22.04)	1m 58s
Publish to PyPI	0s
Binary powerpc64le-unknown-linux-gnu (ubuntu-22.04)	2m 25s
Binary x86_64-pc-windows-msvc (windows-2022)	3m 43s
Binary i686-pc-windows-msvc (windows-2022)	3m 58s
Binary aarch64-apple-darwin (macos-12)	2m 25s
Binary x86_64-apple-darwin (macos-12)	2m 17s
Build release distributions	0s
Build Windows installers	0s
Build macOS installer and sign/notarize artifacts	0s
Build development distributions / Ensure Hatch is installable	16s
Publish distributions	0s
Build development distributions / Distribution x86_64-unknown-linux-gnu	58s
Build development distributions / Distribution aarch64-unknown-linux-gnu	2m 37s
Build development distributions / Distribution x86_64-pc-windows-msvc	57s
Build development distributions / Distribution aarch64-apple-darwin	25s
Build development distributions / Distribution x86_64-apple-darwin	38s
	26m 55s

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