Remove file function around private key

main.tf

@@ -139,8 +139,8 @@ resource "null_resource" "ops" {
 
   connection {
     host        = module.create-ohpc-instance.ssh_host
-    user        = var.ohpc_user 
-    private_key = file(var.ssh_private_key)
+    user        = var.ohpc_user
+    private_key = var.ssh_private_key
   }
 
   # moves CRI_XCBC file into directory made above