doc/: Remove list of distributions

Since c8e8557803f3 (2025-01-21; "ci: add openSUSE Tumbleweed") we also
run openSUSE in CI. Since the set may grow let's not list each of them
in the documentation.

diff --git a/doc/contributions/ci.md b/doc/contributions/ci.md
index 37e45d6c9d7bd7d362e50695e6e8e1d6e779518d..04755d40357497b750cfcc8014316d3b12adf1a3 100644 (file)
--- a/doc/contributions/ci.md
+++ b/doc/contributions/ci.md
@@ -6,8 +6,7 @@ only pull-requests with green results are merged.
 
 ## Build & install
 
-The project is built & installed on Ubuntu, Alpine, Debian and Fedora. The last
-three distributions are built & installed on containers, and the workflow can
+The project is built & installed on various distributions. The workflow can
 be triggered locally by following the instructions specified in the
 [Build & install](build_install.md#containers) page.