Remove appveyor #163

Job	Run time
cygwin-without-sage (python-3, 9)	6m 13s
dist	1s
ubuntu-without-sage (3.9)	49s
ubuntu-without-sage (3.10)	40s
macos-without-sage (macos-13, 3.9)	1m 33s
ubuntu-without-sage (3.11)	47s
macos-without-sage (macos-13, 3.10)	1m 18s
macos-without-sage (macos-13, 3.11)	1m 21s
ubuntu-without-sage (3.12)	45s
macos-without-sage (macos-13, 3.12)	1m 27s
ubuntu-without-sage (3.13-dev)	49s
macos-without-sage (macos-13, 3.13-dev)	1m 5s
macos-without-sage (macos-latest, 3.9)	50s
macos-without-sage (macos-latest, 3.10)	50s
macos-without-sage (macos-latest, 3.11)	49s
macos-without-sage (macos-latest, 3.12)	50s
macos-without-sage (macos-latest, 3.13-dev)	50s
linux	0s
linux-sage-incremental	0s
macos	0s
	20m 57s

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