Removed example .tf files

examples/database.tf

-module "db" {
-  source = "terraform-aws-modules/rds/aws"
-  version = "~> 2.0"
-
-  identifier = "demodb"
-
-  engine            = "mysql"
-  engine_version    = "5.7.19"
-  instance_class    = "db.t2.large"
-  allocated_storage = 5
-
-  name     = "demodb"
-  username = "user"
-  password = aws_ssm_parameter.pw.value
-  port     = "3306"
-
-  maintenance_window = "Mon:00:00-Mon:03:00"
-  backup_window      = "03:00-06:00"
-}
-
-resource "aws_ssm_parameter" "pw" {
-  name = "pw"
-  type = "SecureString"
-  value = "SuperSecurePassword"
-}
\ No newline at end of file

examples/main.tf

-module "acme_finance_bucket" {
-  source      = "./modules/acme_bucket"
-  bucket_name = "finance-reports"
-  cost_centre = "CC001"
-
-  s3_logging_bucket = var.acme_s3_logging_bucket
-}