fix(ansible): fix lint

roles/raspberrypi/tasks/main.yml

@@ -3,13 +3,11 @@
   command: grep -E "Raspberry Pi|BCM2708|BCM2709|BCM2835|BCM2836" /proc/cpuinfo
   register: grep_cpuinfo_raspberrypi
   failed_when: false
-  changed_when: false
 
 - name: Test for raspberry pi /proc/device-tree/model
   command: grep -E "Raspberry Pi" /proc/device-tree/model
   register: grep_device_tree_model_raspberrypi
   failed_when: false
-  changed_when: false
 
 - name: Set raspberry_pi fact to true
   set_fact:

roles/raspberrypi/tasks/prereq/Raspbian.yml

@@ -13,7 +13,6 @@
 - name: Flush iptables before changing to iptables-legacy
   iptables:
     flush: true
-  changed_when: false   # iptables flush always returns changed
 
 - name: Changing to iptables-legacy
   alternatives: