clean useless uses of PINOCCHIO_WITH_CXX11_SUPPORT #276

Job	Run time
ubuntu-latest - Env all Release	37m 6s
ubuntu-latest - Env all Debug	37m 37s
ubuntu-latest - Env all-py39 Release	36m 22s
ubuntu-latest - Env all-py39 Debug	37m 52s
macos-latest - Env all Release	47m 51s
macos-latest - Env all Debug	25m 28s
macos-latest - Env all-py39 Release	53m 39s
macos-latest - Env all-py39 Debug	44m 40s
macos-13 - Env all Release	53m 20s
macos-13 - Env all Debug	30m 56s
macos-13 - Env all-py39 Release	1h 51m 29s
macos-13 - Env all-py39 Debug	1h 9m 41s
windows-latest - Env all Release	1h 18m 27s
windows-latest - Env all-clang-cl Release	32m 59s
check-macos-linux-windows-pixi	2s
	11h 37m 29s

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