Fixed minor errors in definitions

CURA-1278

resources/definitions/ultimaker2_extended_plus.def.json

@@ -2,7 +2,7 @@
     "id": "ultimaker2_extended_plus_base",
     "version": 2,
     "name": "Ultimaker 2 Extended+",
-    "inherits": "ultimaker2plus",
+    "inherits": "ultimaker2_plus",
     "visible": false,
     "metadata": {
         "author": "Ultimaker",

resources/definitions/ultimaker2_go.def.json

@@ -34,6 +34,6 @@
                 [[-60, -60], [-60, -52], [-35, -52], [-33, -60]],
                 [[ 60, -60], [ 33, -60], [ 35, -52], [ 60, -52]]
             ]
-        },
+        }
     }
 }