Cleanup CI config files (#780) #176

Job	Run time
clippy_check (ubuntu-latest, stable)	26s
Build and Test (ubuntu-latest, 1.67)	3m 3s
clippy_check (ubuntu-latest, nightly)	55s
Rustfmt (stable)	16s
Build and Test (ubuntu-latest, 1.70)	2m 10s
clippy_check (windows-latest, stable)	2m 4s
Build and Test (ubuntu-latest, 1.75)	1m 52s
clippy_check (windows-latest, nightly)	1m 55s
Build and Test (ubuntu-latest, 1.80)	2m 27s
Build and Test (ubuntu-latest, stable)	4m 17s
Build and Test (ubuntu-latest, beta)	1m 55s
Build and Test (ubuntu-latest, nightly)	1m 52s
Build and Test (windows-latest, 1.67)	3m 47s
Build and Test (windows-latest, 1.70)	3m 28s
Build and Test (windows-latest, 1.75)	3m 34s
Build and Test (windows-latest, 1.80)	4m 11s
Build and Test (windows-latest, stable)	4m 8s
Build and Test (windows-latest, beta)	4m 28s
Build and Test (windows-latest, nightly)	3m 46s
Tests result	1s
	50m 35s

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