AAE-26215 migrate to standalone directives (#10532)

* delete unused directive

* convert process header to standalone

* cleanup [ci:force]

* remove unused/deprecated components [ci:force]

* remove unused/deprecated components [ci:force]

* migrate task header [ci:force]

* migrate task directives [ci:force]

* migrate task directives [ci:force]

docs/process-services-cloud/components/start-task-cloud.component.md

@@ -1,38 +0,0 @@
----
-Title: Start Task Cloud Component
-Added: v3.0.0
-Status: Experimental
-Last reviewed: 2019-03-20
----
-
-# [Start Task Cloud Component](../../../lib/process-services-cloud/src/lib/task/start-task/components/start-task-cloud.component.ts "Defined in start-task-cloud.component.ts")
-
-Creates/starts a new task for the specified app.
-
-![adf-cloud-start-task](../../docassets/images/adf-cloud-start-task.png)
-
-## Basic Usage
-
-```html
-<adf-cloud-start-task
-    [appName]="YOUR_APP_NAME">
-</adf-cloud-start-task>
-```
-
-## Class members
-
-### Properties
-
-| Name | Type | Default value | Description |
-| ---- | ---- | ------------- | ----------- |
-| appName | `string` | "" | (required) Name of the app. |
-| maxNameLength | `number` | MAX_NAME_LENGTH | Maximum length of the task name. |
-| name | `string` | "" | Name of the task. |
-
-### Events
-
-| Name | Type | Description |
-| ---- | ---- | ----------- |
-| cancel | [`EventEmitter`](https://angular.io/api/core/EventEmitter)`<void>` | Emitted when the cancel button is clicked by the user. |
-| error | [`EventEmitter`](https://angular.io/api/core/EventEmitter)`<any>` | Emitted when an error occurs. |
-| success | [`EventEmitter`](https://angular.io/api/core/EventEmitter)`<any>` | Emitted when the task is successfully created. |