Revert "Patch jsonargparse for Python >= 3.12.8" #26585

Job	Run time
build-packages / build-packages (lightning)	24s
build-packages / build-packages (fabric)	19s
build-packages / build-packages (pytorch)	20s
build-packages / merge-artifacts	5s
install-pkg (ubuntu-22.04, fabric, 3.9)	1m 41s
install-pkg (ubuntu-22.04, fabric, 3.11)	1m 38s
install-pkg (ubuntu-22.04, pytorch, 3.9)	1m 47s
install-pkg (ubuntu-22.04, pytorch, 3.11)	1m 37s
install-pkg (ubuntu-22.04, lightning, 3.9)	1m 52s
install-pkg (ubuntu-22.04, lightning, 3.11)	1m 41s
install-pkg (ubuntu-22.04, notset, 3.9)	1m 49s
install-pkg (ubuntu-22.04, notset, 3.11)	1m 56s
install-pkg (macOS-14, fabric, 3.9)	48s
install-pkg (macOS-14, fabric, 3.11)	29s
install-pkg (macOS-14, pytorch, 3.9)	54s
install-pkg (macOS-14, pytorch, 3.11)	34s
install-pkg (macOS-14, lightning, 3.9)	53s
install-pkg (macOS-14, lightning, 3.11)	33s
install-pkg (macOS-14, notset, 3.9)	50s
install-pkg (macOS-14, notset, 3.11)	36s
install-pkg (windows-2022, fabric, 3.9)	1m 51s
install-pkg (windows-2022, fabric, 3.11)	1m 57s
install-pkg (windows-2022, pytorch, 3.9)	2m 47s
install-pkg (windows-2022, pytorch, 3.11)	2m 36s
install-pkg (windows-2022, lightning, 3.9)	2m 11s
install-pkg (windows-2022, lightning, 3.11)	2m 13s
install-pkg (windows-2022, notset, 3.9)	1m 54s
install-pkg (windows-2022, notset, 3.11)	1m 53s
	38m 8s

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