fix(iam-compartment): remove duplicate required_providers (#31)

Author: maxbrunet

modules/iam-compartment/main.tf

@@ -1,13 +1,4 @@
-// Copyright (c) 2018, 2021, Oracle and/or its affiliates.
-
-terraform {
-  required_version = ">= 0.12" // terraform version below 0.12 is not tested/supported with this module
-  required_providers {
-    oci = {
-      version = ">= 3.27" // force downloading oci-provider compatible with terraform v0.12
-    }
-  }
-}
+// Copyright (c) 2018, 2022, Oracle and/or its affiliates.
 
 ########################
 # Compartment