Bug 1529426 [wpt PR 15477] - [Azure Pipelines] Remove the wpt.fyi hook (no longer needed), a=testonly

Automatic update from web-platform-tests
[Azure Pipelines] Remove the wpt.fyi hook (no longer needed) (#15477)

As found in https://github.com/web-platform-tests/wpt.fyi/issues/1130,
this hook is no longer needed, check runs are created also for
scheduled builds on Azure Pipelines.
--

wpt-commits: f3b13634825af90ecb94398349add2e20fade639
wpt-pr: 15477

testing/web-platform/tests/.azure-pipelines.yml

@@ -211,16 +211,3 @@ jobs:
     displayName: 'Publish results'
     inputs:
       artifactName: 'safari-preview-results'
-
-# The InvokeRESTAPI task can only run in a server job.
-- job: results_post
-  displayName: 'all tests (wpt.fyi hook)'
-  dependsOn: results_safari_preview
-  pool:
-    vmImage: 'ubuntu-16.04'
-  steps:
-  - script: curl -s -S https://wpt.fyi/api/checks/azure/$(Build.BuildId)
-    displayName: 'Invoke wpt.fyi hook'
-  - script: curl -s -S https://staging.wpt.fyi/api/checks/azure/$(Build.BuildId)
-    displayName: 'Invoke staging.wpt.fyi hook'
-    condition: succeededOrFailed()