Remove arch descriptor from Debian/Ubuntu src repo (#281)

Author: alessfg

tasks/opensource/setup-debian.yml

@@ -6,7 +6,7 @@
         deb [arch=amd64] https://nginx.org/packages/{{ (nginx_branch == 'mainline')
         | ternary('mainline/', '') }}{{ ansible_distribution | lower }}/ {{ ansible_distribution_release }} nginx
       - >-
-        deb-src [arch=amd64] https://nginx.org/packages/{{ (nginx_branch == 'mainline')
+        deb-src https://nginx.org/packages/{{ (nginx_branch == 'mainline')
         | ternary('mainline/', '') }}{{ ansible_distribution | lower }}/ {{ ansible_distribution_release }} nginx
 
 - name: "(Install: Debian/Ubuntu) Set APT NGINX Repository"

tasks/unit/setup-debian.yml

@@ -4,4 +4,4 @@
     repo: "{{ item }}"
   with_items:
     - deb [arch=amd64] https://packages.nginx.org/unit/{{ ansible_distribution|lower }}/ {{ ansible_distribution_release }} unit
-    - deb-src [arch=amd64] https://packages.nginx.org/unit/{{ ansible_distribution|lower }}/ {{ ansible_distribution_release }} unit
+    - deb-src https://packages.nginx.org/unit/{{ ansible_distribution|lower }}/ {{ ansible_distribution_release }} unit