updating examples

Author: kumarvna

examples/PostgreSQL_Server/main.tf

@@ -1,7 +1,6 @@
 module "postgresql-db" {
-  //  source  = "kumarvna/postgresql-db/azurerm"
-  //  version = "1.0.0"
-  source = "../../"
+  source  = "kumarvna/postgresql-db/azurerm"
+  version = "1.0.0"
 
   # By default, this module will create a resource group
   # proivde a name to use an existing resource group and set the argument