Made common task idempotent

roles/common/templates/docker-daemon.json.j2

@@ -1,3 +1,3 @@
 {
-  "insecure-registries" : ["registry:5000"]
+  "insecure-registries" : ["{{ regitstry_location }}"]
 }

roles/common/templates/fstab.j2

@@ -1,12 +0,0 @@
-# /etc/fstab: static file system information.
-#
-# Use 'blkid' to print the universally unique identifier for a
-# device; this may be used with UUID= as a more robust way to name devices
-# that works even if disks are added and removed. See fstab(5).
-#
-# <file system> <mount point>   <type>  <options>       <dump>  <pass>
-# / was on /dev/sda1 during installation
-UUID=a4a5a54f-1022-47b3-9c50-77c6139d7fc9 /               ext4    errors=remount-ro 0       1
-# swap was on /dev/sda5 during installation
-UUID=0f47da63-9d7d-487c-8b99-ea7d5497f7f7 none            swap    sw              0       0
-10.0.0.150:/volumeUSB1/usbshare/raw-files/fileserver/shares/lab-data /data nfs defaults 0 0