chore(waf): add checkDeleted logic to the rule resource delete function

[ruwenqiang123]

What this PR does / why we need it:

Add checkDeleted logic to the rule rsource delete function.

Which issue this PR fixes:
(optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged)
fixes #xxx

Special notes for your reviewer:

Release note:

1.Involved rule resources are as follows:
   information leakage prevention rule resource, known attack rule resource, precise protection rule resource, web tamper protection rule

PR Checklist

• Tests added/passed.

$ make testacc TEST="./huaweicloud/services/acceptance/waf" TESTARGS="-run TestAccRuleLeakagePrevention_basic"
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./huaweicloud/services/acceptance/waf -v -run TestAccRuleLeakagePrevention_basic -timeout 360m -parallel 4
=== RUN   TestAccRuleLeakagePrevention_basic
=== PAUSE TestAccRuleLeakagePrevention_basic
=== CONT  TestAccRuleLeakagePrevention_basic
--- PASS: TestAccRuleLeakagePrevention_basic (562.38s)
PASS
ok      github.com/huaweicloud/terraform-provider-huaweicloud/huaweicloud/services/acceptance/waf       562.439s

$ make testacc TEST="./huaweicloud/services/acceptance/waf" TESTARGS="-run TestAccRuleKnownAttack_basic"
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./huaweicloud/services/acceptance/waf -v -run TestAccRuleKnownAttack_basic -timeout 360m -parallel 4
=== RUN   TestAccRuleKnownAttack_basic
=== PAUSE TestAccRuleKnownAttack_basic
=== CONT  TestAccRuleKnownAttack_basic
--- PASS: TestAccRuleKnownAttack_basic (545.48s)
PASS
ok      github.com/huaweicloud/terraform-provider-huaweicloud/huaweicloud/services/acceptance/waf       545.534s

$ make testacc TEST="./huaweicloud/services/acceptance/waf" TESTARGS="-run TestAccRulePreciseProtection_basic"
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./huaweicloud/services/acceptance/waf -v -run TestAccRulePreciseProtection_basic -timeout 360m -parallel 4
=== RUN   TestAccRulePreciseProtection_basic
=== PAUSE TestAccRulePreciseProtection_basic
=== CONT  TestAccRulePreciseProtection_basic
--- PASS: TestAccRulePreciseProtection_basic (567.10s)
PASS
ok      github.com/huaweicloud/terraform-provider-huaweicloud/huaweicloud/services/acceptance/waf       567.145s

$ make testacc TEST="./huaweicloud/services/acceptance/waf" TESTARGS="-run TestAccWafRuleWebTamperProtection_basic"
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./huaweicloud/services/acceptance/waf -v -run TestAccWafRuleWebTamperProtection_basic -timeout 360m -parallel 4
=== RUN   TestAccWafRuleWebTamperProtection_basic
=== PAUSE TestAccWafRuleWebTamperProtection_basic
=== CONT  TestAccWafRuleWebTamperProtection_basic
--- PASS: TestAccWafRuleWebTamperProtection_basic (534.88s)
PASS
ok      github.com/huaweicloud/terraform-provider-huaweicloud/huaweicloud/services/acceptance/waf       534.934s

• Documentation updated.

• Schema updated.

• CheckDeleted.

  • a. During query operation (Read Context)
    aa. Resource not found
    >>>>>> Paste the screenshot here <<<<<<

information leakage prevention rule resource

known attack rule resource

precise protection rule resource

web tamper protection rule

ab. Related resources (parent resources) not found
>>>>>> Paste the screenshot here <<<<<<

information leakage prevention rule resource

known attack rule resource

precise protection rule resource

web tamper protection rule

• b. During delete/disassociate/unbind operation (Delete Context)
  ba. Resource not found
  >>>>>> Paste the screenshot here <<<<<<

information leakage prevention rule resource

known attack rule resource

precise protection rule resource

web tamper protection rule

[Lance52259]

watch your title and adjust the description that describe which resources or which type as you edit.

[jinyangyang222]

/lgtm

[deer-hang]

/approve

[github-ci-robot]

This PR has been approved by: @deer-hang

/approve