Revert "Add support for .link units and dropins" #874

Job	Run time
Puppet / Static validations	21s
Puppet / 8 (Ruby 3.2)	3m 14s
Puppet / 7 (Ruby 2.7)	3m 49s
Puppet / Puppet 8 - Debian 11	1m 43s
Puppet / Puppet 7 - Debian 11	1m 44s
Puppet / Puppet 8 - Debian 12	1m 45s
Puppet / Puppet 7 - Debian 12	1m 43s
Puppet / Puppet 8 - Ubuntu 20.04	1m 49s
Puppet / Puppet 7 - Ubuntu 20.04	1m 46s
Puppet / Puppet 8 - Ubuntu 22.04	1m 43s
Puppet / Puppet 7 - Ubuntu 22.04	1m 45s
Puppet / Puppet 8 - Ubuntu 24.04	1m 42s
Puppet / Puppet 7 - Ubuntu 24.04	1m 43s
Puppet / Puppet 8 - CentOS 9	2m 10s
Puppet / Puppet 7 - CentOS 9	2m 26s
Puppet / Puppet 8 - AlmaLinux 8	1m 54s
Puppet / Puppet 7 - AlmaLinux 8	1m 56s
Puppet / Puppet 8 - AlmaLinux 9	1m 48s
Puppet / Puppet 7 - AlmaLinux 9	2m 3s
Puppet / Puppet 8 - Rocky 8	1m 59s
Puppet / Puppet 7 - Rocky 8	2m 2s
Puppet / Puppet 8 - Rocky 9	2m 20s
Puppet / Puppet 7 - Rocky 9	2m 27s
Puppet / Puppet 8 - OracleLinux 8	2m 58s
Puppet / Puppet 7 - OracleLinux 8	2m 56s
Puppet / Puppet 8 - OracleLinux 9	2m 17s
Puppet / Puppet 7 - OracleLinux 9	2m 29s
Puppet / Distro Puppet - Archlinux rolling	1m 41s
Puppet / Puppet 8 - Fedora 40	2m 5s
Puppet / Puppet 7 - Fedora 40	1m 44s
Puppet / Test suite	2s
	1h 2m 4s

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