Fix matrix_architecture sanity check

roles/custom/matrix-base/tasks/sanity_check.yml

@@ -43,6 +43,11 @@
     - {'var': matrix_architecture, 'value': "{{ matrix_architecture | default('') }}"}
   when: "item.value is none or item.value == ''"
 
+- name: Fail if matrix_architecture is set incorrectly
+  ansible.builtin.fail:
+    msg: "Detected that variable matrix_architecture {{ matrix_architecture }} appears to be set incorrectly. See docs/alternative-architectures.md. Server appears to be {{ ansible_architecture }}."
+  when: matrix_architecture not in ['amd64', 'arm32', 'arm64']
+
 - name: Fail if uppercase domain used
   ansible.builtin.fail:
     msg: "Detected that you're using an uppercase domain name - `{{ item }}`. This will cause trouble. Please use all-lowercase!"

roles/custom/matrix-base/tasks/system_check.yml

@@ -21,10 +21,3 @@
   when:
     - ansible_distribution == 'Archlinux'
     - ansible_python.version.major != 3
-
-- name: Fail if architecture is set incorrectly
-  ansible.builtin.fail:
-    msg: "Detected that variable matrix_architecture {{ matrix_architecture }} appears to be set incorrectly. See docs/alternative-architectures.md. Server appears to be {{ ansible_architecture }}."
-  when: (ansible_architecture == "x86_64" and matrix_architecture != "amd64") or
-        (ansible_architecture == "aarch64" and matrix_architecture != "arm64") or
-        (ansible_architecture.startswith("armv") and matrix_architecture != "arm32")