Terraform vsphere cleanup (#9672)

* contrib/terraform/vsphere: mark vsphere_password as sensitive

Signed-off-by: Mathieu Parent <math.parent@gmail.com>

* contrib/terraform/vsphere: remove unused modules

Signed-off-by: Mathieu Parent <math.parent@gmail.com>

contrib/terraform/vsphere/variables.tf

@@ -23,7 +23,9 @@ variable "vsphere_datastore" {}
 
 variable "vsphere_user" {}
 
-variable "vsphere_password" {}
+variable "vsphere_password" {
+  sensitive = true
+}
 
 variable "vsphere_server" {}
 

contrib/terraform/vsphere/versions.tf

@@ -4,12 +4,6 @@ terraform {
       source  = "hashicorp/vsphere"
       version = ">= 1.24.3"
     }
-    null = {
-      source = "hashicorp/null"
-    }
-    template = {
-      source = "hashicorp/template"
-    }
   }
   required_version = ">= 0.13"
 }