Update sampleec2.tf

sampleec2.tf

@@ -8,7 +8,7 @@ provider "aws" {
 resource "aws_instance" "ec301" {
               ami ="ami-087c17d1fe0178315"
               instance_type ="t2.micro"
-              security_groups = [aws_security_group.security_group_name1.name]
+              
               key_name = "ec2instance"
               tags = { ec2_create = "instance1" }
               }