tfstate-backend: var.enable_server_side_encryption is not used anymore

[hans-d]

Describe the Bug

var.enable_server_side_encryption is not used anymore (commented out in main.tf to the upstream component).

Should be marked as deprecated.

Expected Behavior

Variable to be removed / deprecated

Steps to Reproduce

see code

Screenshots

No response

Environment

No response

Additional Context

terraform-aws-components/modules/tfstate-backend/variables.tf

Lines 18 to 22 in 633f810

	variable "enable_server_side_encryption" {
	type = bool
	description = "Enable DynamoDB and S3 server-side encryption"
	default = true
	}

terraform-aws-components/modules/tfstate-backend/main.tf

Line 11 in 633f810

// enable_server_side_encryption = var.enable_server_side_encryption