templates: remove nomad #3329

Job	Run time
Integration tests	46m 52s
Integration tests	46m 52s
Colima (v0.5.5)	1m 18s
Colima (v0.5.5)	1m 18s
Lints	5m 57s
Lints	5m 57s
Integration tests (on Linux) (alpine.yaml)	2m 1s
Integration tests (on Linux) (alpine.yaml)	2m 1s
Integration tests (on Linux) (debian.yaml)	37m 15s
Integration tests (on Linux) (debian.yaml)	3m 41s
Integration tests (on Linux) (fedora.yaml)	3m 37s
Integration tests (on Linux) (fedora.yaml)	3m 37s
Integration tests (on Linux) (archlinux.yaml)	4m 52s
Integration tests (on Linux) (archlinux.yaml)	4m 52s
Integration tests (on Linux) (opensuse.yaml)	3m 40s
Integration tests (on Linux) (opensuse.yaml)	3m 40s
Integration tests (on Linux) (experimental/net-user-v2.yaml)	3m 40s
Integration tests (on Linux) (experimental/net-user-v2.yaml)	3m 40s
Integration tests (on Linux) (docker.yaml)	3m 52s
Integration tests (on Linux) (docker.yaml)	3m 52s
Unit tests (1.20.x)	9m 58s
Unit tests (1.20.x)	9m 58s
Unit tests (1.21.x)	7m 17s
Unit tests (1.21.x)	7m 17s
Upgrade test (v0.10.0)	20m 16s
Upgrade test (v0.10.0)	20m 16s
VMNet test	21m 47s
VMNet test	21m 47s
Windows tests	11m 13s
Windows tests	11m 13s
vz	14m 12s
vz	14m 12s
	6h 2m 0s

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