Remove explicit scheme setting for Consul (#424)

This has become redundant with SteeltoeOSS/Steeltoe#1596

Author: bart-vmware

Discovery/src/FortuneTeller/FortuneTellerApi/appsettings.Development.json

@@ -27,8 +27,7 @@
   "Consul": {
     "Discovery": {
       // Consul:Discovery:Enabled is overruled from launchSettings.json.
-      "Enabled": false,
-      "Scheme": "https"
+      "Enabled": false
     }
   },
   // Steeltoe: Specify the name under which this service instance is registered.