Delete old files from the repository

[teluq-pbrideau]

Currently, the mirror does not delete what is absent in upstream repository.

I had a problem with synchronisation with upstream rocky9 repository

:~# yum update                                                                                                                         
[...]
===============================================================================================================================================================
 Package                                 Architecture             Version                                                    Repository                   Size 
===============================================================================================================================================================
[...]
Upgrading:                                                                                                                                                     
 apache-commons-cli                      noarch                   1.5.0-4.module+el9.1.0+13170+43ecddfd                      appstream                    75 k 
[...]
                                                                                                                                                               
Transaction Summary                                                                                                                                            
===============================================================================================================================================================
Install   3 Packages                                                                                                                                           
Upgrade  12 Packages                                                                                                                                           
Remove    3 Packages                                                                                                                                           
                                                                                                                                                               
Total size: 88 M                                                                                                                                               
Is this ok [y/N]: y                                                                                                                                            
Downloading Packages:                                                                                                                                          
[...]                                                                                                   
Running transaction check                                                                                                                                      
No available modular metadata for modular package 'apache-commons-cli-1.5.0-4.module+el9.1.0+13170+43ecddfd.noarch', it cannot be installed on the system      
[...]

I had to run manually reposync [...] --delete, then rerun the createrepo to fix the problem.