revert timeout from 100s back to 10s on initial test for Internet

roles/0-init/tasks/main.yml

@@ -63,9 +63,10 @@
     url: "{{ iiab_download_url }}/heart-beat.txt"
     dest: /tmp/heart-beat.txt
     timeout: "{{ download_timeout }}"
-  ignore_errors: True
-#  async: 10
-#  poll: 2
+# ignore_errors: True
+# @jvonau recommends: 100sec is too much (keep 10sec default)
+# async: 10
+# poll: 2
   register: internet_access_test
 
 - name: Set internet_available true if wget succeeded