packaging: fix json file

Remove comma's after last elements in tables. This was preventing python
from loading the json file.

Issue: #80115
Change-Id: Ia7dad4b1fa01caf2496b43fac5eff950cd380a04

.packer.json

@@ -123,7 +123,7 @@
             "dpkg-buildpackage -uc -us",
             "cd .. ",
             "mv *.orig.tar* *.debian.tar* *deb *changes *dsc /output"
-        ],
+        ]
     },
     "UpdateInstructions" : {
         "fedora_21" : ["yum upgrade -y"],
@@ -137,7 +137,7 @@
         "ubuntu_14.04_i386": ["apt-get update", "( apt-get upgrade -y || apt-get upgrade -y || apt-get upgrade -y )"],
         "ubuntu_15.04_i386": ["apt-get update", "( apt-get upgrade -y || apt-get upgrade -y || apt-get upgrade -y )"],
         "ubuntu_15.10": ["apt-get update", "( apt-get upgrade -y || apt-get upgrade -y || apt-get upgrade -y )"],
-        "ubuntu_15.10_i386": ["apt-get update", "( apt-get upgrade -y || apt-get upgrade -y || apt-get upgrade -y )"],
+        "ubuntu_15.10_i386": ["apt-get update", "( apt-get upgrade -y || apt-get upgrade -y || apt-get upgrade -y )"]
     },
     "ReviewType": "",
     "ReviewAddress": "https://gerrit-ring.savoirfairelinux.com",
@@ -153,12 +153,12 @@
         "ubuntu_15.10": "",
         "ubuntu_14.04_i386": "",
         "ubuntu_15.04_i386": "",
-        "ubuntu_15.10_i386": "",
+        "ubuntu_15.10_i386": ""
     },
     "ReloadProjectCmd" : [
         "git checkout packaging",
         "git reset --hard origin/packaging",
-        "git pull",
+        "git pull"
     ],
     "AutoDeploySchedule": {
         "fedora_21" : "@midnight",
@@ -172,7 +172,7 @@
         "ubuntu_15.10": "@midnight",
         "ubuntu_14.04_i386": "@midnight",
         "ubuntu_15.04_i386": "@midnight",
-        "ubuntu_15.10_i386": "@midnight",
+        "ubuntu_15.10_i386": "@midnight"
     },
     "DeployScript": "ring-nightly-sign-deploy.sh",
     "NotificationMailAdress": ["Awesome Ring Team", "ring-dev@lists.savoirfairelinux.net"]