…lacement"

This reverts commit 7d43256.

This reverts commit fe68d86.

This reverts commit 525b02a.

…creating the resource.

…s` or `subnet_mapping` is configured.

…ncers to be be increased without recreating the resource.

…g' and 'TestAccELBV2LoadBalancer_ApplicationLoadBalancer_deleteSubnetMapping'.

% make testacc TESTARGS='-run=TestAccELBV2LoadBalancer_ApplicationLoadBalancer_addSubnet\|TestAccELBV2LoadBalancer_ApplicationLoadBalancer_deleteSubnet' PKG=elbv2 ACCTEST_PARALLELISM=3
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/elbv2/... -v -count 1 -parallel 3  -run=TestAccELBV2LoadBalancer_ApplicationLoadBalancer_addSubnet\|TestAccELBV2LoadBalancer_ApplicationLoadBalancer_deleteSubnet -timeout 360m
=== RUN   TestAccELBV2LoadBalancer_ApplicationLoadBalancer_addSubnet
=== PAUSE TestAccELBV2LoadBalancer_ApplicationLoadBalancer_addSubnet
=== RUN   TestAccELBV2LoadBalancer_ApplicationLoadBalancer_deleteSubnet
=== PAUSE TestAccELBV2LoadBalancer_ApplicationLoadBalancer_deleteSubnet
=== RUN   TestAccELBV2LoadBalancer_ApplicationLoadBalancer_addSubnetMapping
=== PAUSE TestAccELBV2LoadBalancer_ApplicationLoadBalancer_addSubnetMapping
=== RUN   TestAccELBV2LoadBalancer_ApplicationLoadBalancer_deleteSubnetMapping
=== PAUSE TestAccELBV2LoadBalancer_ApplicationLoadBalancer_deleteSubnetMapping
=== CONT  TestAccELBV2LoadBalancer_ApplicationLoadBalancer_addSubnet
=== CONT  TestAccELBV2LoadBalancer_ApplicationLoadBalancer_addSubnetMapping
=== CONT  TestAccELBV2LoadBalancer_ApplicationLoadBalancer_deleteSubnet
--- PASS: TestAccELBV2LoadBalancer_ApplicationLoadBalancer_addSubnet (239.58s)
=== CONT  TestAccELBV2LoadBalancer_ApplicationLoadBalancer_deleteSubnetMapping
--- PASS: TestAccELBV2LoadBalancer_ApplicationLoadBalancer_addSubnetMapping (257.80s)
--- PASS: TestAccELBV2LoadBalancer_ApplicationLoadBalancer_deleteSubnet (258.07s)
--- PASS: TestAccELBV2LoadBalancer_ApplicationLoadBalancer_deleteSubnetMapping (254.97s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/elbv2	499.680s

…nd 'TestAccELBV2LoadBalancer_NetworkLoadBalancer_deleteSubnetMapping'.

% make testacc TESTARGS='-run=TestAccELBV2LoadBalancer_NetworkLoadBalancer_addSubnet\|TestAccELBV2LoadBalancer_NetworkLoadBalancer_deleteSubnet' PKG=elbv2 ACCTEST_PARALLELISM=3
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/elbv2/... -v -count 1 -parallel 3  -run=TestAccELBV2LoadBalancer_NetworkLoadBalancer_addSubnet\|TestAccELBV2LoadBalancer_NetworkLoadBalancer_deleteSubnet -timeout 360m
=== RUN   TestAccELBV2LoadBalancer_NetworkLoadBalancer_addSubnet
=== PAUSE TestAccELBV2LoadBalancer_NetworkLoadBalancer_addSubnet
=== RUN   TestAccELBV2LoadBalancer_NetworkLoadBalancer_deleteSubnet
=== PAUSE TestAccELBV2LoadBalancer_NetworkLoadBalancer_deleteSubnet
=== RUN   TestAccELBV2LoadBalancer_NetworkLoadBalancer_addSubnetMapping
=== PAUSE TestAccELBV2LoadBalancer_NetworkLoadBalancer_addSubnetMapping
=== RUN   TestAccELBV2LoadBalancer_NetworkLoadBalancer_deleteSubnetMapping
=== PAUSE TestAccELBV2LoadBalancer_NetworkLoadBalancer_deleteSubnetMapping
=== CONT  TestAccELBV2LoadBalancer_NetworkLoadBalancer_addSubnet
=== CONT  TestAccELBV2LoadBalancer_NetworkLoadBalancer_addSubnetMapping
=== CONT  TestAccELBV2LoadBalancer_NetworkLoadBalancer_deleteSubnet
--- PASS: TestAccELBV2LoadBalancer_NetworkLoadBalancer_addSubnetMapping (323.53s)
=== CONT  TestAccELBV2LoadBalancer_NetworkLoadBalancer_deleteSubnetMapping
--- PASS: TestAccELBV2LoadBalancer_NetworkLoadBalancer_addSubnet (323.54s)
--- PASS: TestAccELBV2LoadBalancer_NetworkLoadBalancer_deleteSubnet (450.07s)
--- PASS: TestAccELBV2LoadBalancer_NetworkLoadBalancer_deleteSubnetMapping (443.14s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/elbv2	771.964s

…ad Balancers when the new value is Computed.