Remove ASG related config options

Removed the ASG related config options to enable deploying the sample on a 'Single Instance' environment.

Author: abhiksingh

.ebextensions/options.config

@@ -10,12 +10,3 @@ option_settings:
     ProxyServer: nginx
   aws:elasticbeanstalk:container:nodejs:staticfiles:
     /static: /static
-  aws:autoscaling:asg:
-    Cooldown: "120"
-  aws:autoscaling:trigger:
-    Unit: "Percent"
-    Period: "1"
-    BreachDuration: "2"
-    UpperThreshold: "75"
-    LowerThreshold: "30"
-    MeasureName: "CPUUtilization"