Build

common: Remove unused csd-keygrab.* #164

Job	Run time
build / build (mint22, linuxmintd/mint22.3-amd64, Mint 22, true) / Mint 22	2m 33s
build / build (lmde7, linuxmintd/lmde7-amd64, LMDE 7, false) / LMDE 7	2m 29s
generate-test-packages	0s
	5m 2s

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