doc: Remove CI PR-status from main README

README.md

@@ -6,8 +6,7 @@
 
 | **CI Status:**    |      |      |
 |:--                |:--   |:--   |
-| [![Basic CI for all platforms on push](https://github.com/Exiv2/exiv2/actions/workflows/on_push_BasicWinLinMac.yml/badge.svg?branch=main)](https://github.com/Exiv2/exiv2/actions/workflows/on_push_BasicWinLinMac.yml) |  [![CI for different Linux distributions](https://github.com/Exiv2/exiv2/actions/workflows/nightly_Linux_distributions.yml/badge.svg?branch=main)](https://github.com/Exiv2/exiv2/actions/workflows/nightly_Linux_distributions.yml) |  [![Linux Special Builds on PRs](https://github.com/Exiv2/exiv2/actions/workflows/on_PR_linux_special_builds.yml/badge.svg)](https://github.com/Exiv2/exiv2/actions/workflows/on_PR_linux_special_builds.yml) |
-| [![Linux-Ubuntu Matrix on PRs](https://github.com/Exiv2/exiv2/actions/workflows/on_PR_linux_matrix.yml/badge.svg)](https://github.com/Exiv2/exiv2/actions/workflows/on_PR_linux_matrix.yml) | [![Mac Matrix on PRs](https://github.com/Exiv2/exiv2/actions/workflows/on_PR_mac_matrix.yml/badge.svg)](https://github.com/Exiv2/exiv2/actions/workflows/on_PR_mac_matrix.yml) | [![Win Matrix on PRs](https://github.com/Exiv2/exiv2/actions/workflows/on_PR_windows_matrix.yml/badge.svg)](https://github.com/Exiv2/exiv2/actions/workflows/on_PR_windows_matrix.yml) |
+| [![Basic jobs for all platforms](https://github.com/Exiv2/exiv2/actions/workflows/on_push_BasicWinLinMac.yml/badge.svg?branch=main)](https://github.com/Exiv2/exiv2/actions/workflows/on_push_BasicWinLinMac.yml) |  [![Nightly jobs for Linux distributions](https://github.com/Exiv2/exiv2/actions/workflows/nightly_Linux_distributions.yml/badge.svg?branch=main)](https://github.com/Exiv2/exiv2/actions/workflows/nightly_Linux_distributions.yml) | [![On PUSH - Linux Special Builds for main branch](https://github.com/Exiv2/exiv2/actions/workflows/on_push_ExtraJobsForMain.yml/badge.svg)](https://github.com/Exiv2/exiv2/actions/workflows/on_push_ExtraJobsForMain.yml) |
 
 <div id="Welcome">