fastapi-dls: remove patch superseded by upstream changes #2211

Job	Run time
test-nur-eval	2m 12s
check-package-meta	16m 37s
build-packages (x86_64-linux, ci)	1h 17m 13s
build-packages (x86_64-linux, ci-cuda)	6h 4m 59s
update-nur	0s
	7h 41m 1s

Provide feedback