Fix golangci-lint 'deadcode'.

Author: ewbankkit

internal/service/autoscaling/launch_configuration_test.go

@@ -838,31 +838,6 @@ func testAccCheckInstanceHasPublicIPAddress(group *autoscaling.Group, idx int, e
 	}
 }
 
-func testAccCheckSecurityGroupExists(n string, v *ec2.SecurityGroup) resource.TestCheckFunc {
-	return func(s *terraform.State) error {
-		rs, ok := s.RootModule().Resources[n]
-		if !ok {
-			return fmt.Errorf("Not found: %s", n)
-		}
-
-		if rs.Primary.ID == "" {
-			return fmt.Errorf("No EC2 Security Group ID is set")
-		}
-
-		conn := acctest.Provider.Meta().(*conns.AWSClient).EC2Conn
-
-		output, err := tfec2.FindSecurityGroupByID(conn, rs.Primary.ID)
-
-		if err != nil {
-			return err
-		}
-
-		*v = *output
-
-		return nil
-	}
-}
-
 func testAccLaunchConfigurationConfig_basic(rName string) string {
 	return acctest.ConfigCompose(acctest.ConfigLatestAmazonLinuxHVMEBSAMI(), fmt.Sprintf(`
 resource "aws_launch_configuration" "test" {