ensure we do not get the eks AMIs

inputs.tf

@@ -1,6 +1,6 @@
 data "aws_ami" "re-ami" {
   most_recent = true
-  name_regex  = "ubuntu-bionic-18.04-amd64-server"
+  name_regex  = "ubuntu\\/images\\/hvm-ssd\\/ubuntu-bionic-18.04-amd64-server"
   # This is Canonical's ID
   owners = ["099720109477"]