ci: clean-up remaining bits of armhf builds.

We no longer need to support 32 bit builds and we missed this while
cleaning up.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20251027110344.2289945-2-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
diff --git a/docs/devel/testing/ci-jobs.rst.inc b/docs/devel/testing/ci-jobs.rst.inc
index f1c541c..b92d372 100644
--- a/docs/devel/testing/ci-jobs.rst.inc
+++ b/docs/devel/testing/ci-jobs.rst.inc
@@ -168,13 +168,6 @@
 runner, you can set this variable to enable the tests that require this
 kind of host. The runner should be tagged with "aarch64".
 
-AARCH32_RUNNER_AVAILABLE
-~~~~~~~~~~~~~~~~~~~~~~~~
-If you've got access to an armhf host or an arch64 host that can run
-aarch32 EL0 code to be used as a gitlab-CI runner, you can set this
-variable to enable the tests that require this kind of host. The
-runner should be tagged with "aarch32".
-
 S390X_RUNNER_AVAILABLE
 ~~~~~~~~~~~~~~~~~~~~~~
 If you've got access to an IBM Z host that can be used as a gitlab-CI
diff --git a/scripts/ci/setup/ubuntu/build-environment.yml b/scripts/ci/setup/ubuntu/build-environment.yml
index 0f8ec5f..1c517c7 100644
--- a/scripts/ci/setup/ubuntu/build-environment.yml
+++ b/scripts/ci/setup/ubuntu/build-environment.yml
@@ -19,12 +19,6 @@
           - '((ansible_version.major == 2) and (ansible_version.minor >= 8)) or (ansible_version.major >= 3)'
         msg: "Unsuitable ansible version, please use version 2.8.0 or later"
 
-    - name: Add armhf foreign architecture to aarch64 hosts
-      command: dpkg --add-architecture armhf
-      when:
-        - ansible_facts['distribution'] == 'Ubuntu'
-        - ansible_facts['architecture'] == 'aarch64'
-
     - name: Update apt cache / upgrade packages via apt
       apt:
         update_cache: yes