Issue #3292101 by Ryo Yamashita, yas: Add the function to delete AWS Cloud instance in the SPA

...ashboard/src/constant/form_template/aws_cloud/instance.ts

...s/cloud_service_providers/aws_cloud/aws_cloud.routing.yml

..._providers/aws_cloud/src/Controller/Ec2/ApiController.php

...aws_cloud/src/Form/Ec2/InstanceAssociateElasticIpForm.php

...e_providers/aws_cloud/src/Form/Ec2/InstanceDeleteForm.php

..._cloud/src/Service/AwsCloud/AwsCloudOperationsService.php

...c/Service/AwsCloud/AwsCloudOperationsServiceInterface.php

...viders/aws_cloud/src/Service/Ec2/Ec2OperationsService.php

...s_cloud/src/Service/Ec2/Ec2OperationsServiceInterface.php

...viders/openstack/src/Form/OpenStackInstanceDeleteForm.php

...ders/openstack/src/Service/OpenStackOperationsService.php