chore: revert pr #145 (#205)

This change looks unintentional based on the PR description

Author: nitrocode

main.tf

@@ -168,12 +168,6 @@ resource "aws_instance" "default" {
     cpu_credits = var.burstable_mode
   }
 
-  lifecycle {
-    ignore_changes = [
-      ami
-    ]
-  }
-
   tags = module.this.tags
 
   volume_tags = var.volume_tags_enabled ? module.this.tags : {}