Cleanup CI config files (#780) #2103

Job	Run time
Rustfmt (stable)	7s
Build and Test (ubuntu-latest, 1.67)	2m 14s
clippy_check (ubuntu-latest, stable)	24s
Build and Test (ubuntu-latest, 1.70)	2m 14s
clippy_check (ubuntu-latest, nightly)	34s
Build and Test (ubuntu-latest, 1.75)	1m 46s
clippy_check (windows-latest, stable)	1m 52s
Build and Test (ubuntu-latest, 1.80)	2m 27s
clippy_check (windows-latest, nightly)	1m 27s
Build and Test (ubuntu-latest, stable)	4m 23s
Build and Test (ubuntu-latest, beta)	1m 40s
Build and Test (ubuntu-latest, nightly)	1m 23s
Build and Test (windows-latest, 1.67)	3m 3s
Build and Test (windows-latest, 1.70)	3m 1s
Build and Test (windows-latest, 1.75)	3m 1s
Build and Test (windows-latest, 1.80)	4m 2s
Build and Test (windows-latest, stable)	4m 17s
Build and Test (windows-latest, beta)	3m 28s
Build and Test (windows-latest, nightly)	3m 36s
Tests result	1s
	45m 0s

Provide feedback