[RHELC-1520] Remove leftover reposdir from package updates action

[r0x0d]

A regression was detected in the package updates tier1 test as the pull request #1181 got merged in upstream.

This commit aims to remove the leftover reposdir from the packge updates action as the folder is empty and there is nothing backed up inside it.

Jira Issues: RHELC-1520

Checklist

• PR has been tested manually in a VM (either author or reviewer)
• Jira issue has been made public if possible
• [RHELC-] is part of the PR title
• GitHub label has been added to help with Release notes
• PR title explains the change from the user's point of view
• Code and tests are documented properly
• The commits are squashed to as few commits as possible (without losing data)
• When merged: Jira issue has been updated to Release Pending if relevant

[has-bot]

/packit test

---

Comment generated by an automation.

Log | Bot Usage

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.44%. Comparing base (3c02999) to head (b93a096).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1203      +/-   ##
==========================================
- Coverage   95.45%   95.44%   -0.01%     
==========================================
  Files          53       53              
  Lines        4638     4633       -5     
  Branches      812      811       -1     
==========================================
- Hits         4427     4422       -5     
  Misses        133      133              
  Partials       78       78              

Flag	Coverage Δ
centos-linux-7	90.59% <100.00%> (+0.03%)	⬆️
centos-linux-8	91.52% <100.00%> (-0.01%)	⬇️
centos-linux-9	91.57% <100.00%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[kokesak]

/packit test

[kokesak]

Seems like the fix is working:

[2024-04-30T13:26:02+0000] TASK - [Prepare: Check if the installed packages are up-to-date] **********
WARNING - The system has 1 package(s) not updated based on repositories defined in the system repositories.
List of packages to update: wpa_supplicant.

Not updating the packages may cause the conversion to fail.
Consider updating the packages before proceeding with the conversion.
ERROR - (OVERRIDABLE) PACKAGE_UPDATES::OUT_OF_DATE_PACKAGES - Outdated packages detected
 Description: Please refer to the diagnosis for further information
 Diagnosis: The system has 1 package(s) not updated based on repositories defined in the system repositories.
List of packages to update: wpa_supplicant.

The testing-farm:Rocky-8-EC2-Base-8.8-20230518.0.x86_64-x86_64:tier0-rl88 fail will be fixed in the #1192