Remove obsolete configuration properties: "logNUnitError", "takeScreenshotOnNUnitError", "takePageSnapshotOnNUnitError", "onCleanUpAddArtifactsToNUnitTestContext", "onCleanUpAddDirectoryFilesToNUnitTestContext"

[YevgeniyShunevych]

Instead of "logNUnitError" configuration property use the following configuration:

{
  "eventSubscriptions": [
    {
      "handlerType": "Atata.LogNUnitErrorEventHandler, Atata"
    }
  ]
}

---

Instead of "takeScreenshotOnNUnitError", "takeScreenshotOnNUnitErrorKind" and "takeScreenshotOnNUnitErrorTitle" configuration properties use the following configuration:

{
  "eventSubscriptions": [
    {
      "handlerType": "Atata.TakeScreenshotOnNUnitErrorEventHandler, Atata",
      "screenshotKind": "default", // Optional. "default" by default. Can be "viewport" or "fullPage".
      "screenshotTitle": "Failed"  // Optional. "Failed" by default.
    }
  ]
}

---

Instead of "takePageSnapshotOnNUnitError" and "takePageSnapshotOnNUnitErrorTitle" configuration properties use the following configuration:

{
  "eventSubscriptions": [
    {
      "handlerType": "Atata.TakePageSnapshotOnNUnitErrorEventHandler, Atata",
      "snapshotTitle": "Failed" // Optional. "Failed" by default.
    }
  ]
}

---

Instead of "onCleanUpAddArtifactsToNUnitTestContext" configuration property use the following configuration:

{
  "eventSubscriptions": [
    {
      "handlerType": "Atata.AddArtifactsToNUnitTestContextEventHandler, Atata"
    }
  ]
}

---

Instead of "onCleanUpAddDirectoryFilesToNUnitTestContext" configuration property use the following configuration:

{
  "eventSubscriptions": [
    {
      "handlerType": "Atata.AddDirectoryFilesToNUnitTestContextEventHandler, Atata",
      "directoryPath": "path"
    }
  ]
}