Remove broken dnf module #209

Job	Run time
lint-unit / markdownlint-cli2	3s
lint-unit / rspec	44s
lint-unit / yamllint	7s
lint-unit / cookstyle	32s
lint-unit / check-metadata	0s
lint-unit / markdown-link-check	32s
integration (almalinux-8, default)	1m 25s
integration (almalinux-8, dnf-module)	2m 41s
integration (amazonlinux-2, default)	1m 24s
integration (centos-7, default)	2m 1s
integration (centos-stream-8, default)	1m 27s
integration (centos-stream-8, dnf-module)	3m 46s
integration (fedora-latest, default)	1m 39s
integration (fedora-latest, dnf-module)	1m 2s
integration (oraclelinux-7, default)	1m 21s
integration (oraclelinux-8, default)	1m 44s
integration (oraclelinux-8, dnf-module)	4m 56s
integration (rockylinux-8, default)	1m 25s
integration (rockylinux-8, dnf-module)	2m 58s
	29m 47s

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