[Retire] Rose::Form::Label (#2815)

* remove rose::form::label integration test

* update label on fieldset element to ref .hds-form-label

* remove file _label.scss

* remove import

* delete components/rose/form/label/index.hbs

* remove styling from app.scss

addons/rose/app/components/rose/form/label.js

@@ -1,6 +0,0 @@
-/**
- * Copyright (c) HashiCorp, Inc.
- * SPDX-License-Identifier: BUSL-1.1
- */
-
-export { default } from 'rose/components/rose/form/label';

addons/rose/app/styles/rose/components/form/_index.scss

@@ -3,7 +3,6 @@
  * SPDX-License-Identifier: BUSL-1.1
  */
 
-@use 'label';
 @use 'errors';
 @use 'helper-text';
 @use 'checkbox';

addons/rose/app/styles/rose/components/form/_label.scss

@@ -1,18 +0,0 @@
-/**
- * Copyright (c) HashiCorp, Inc.
- * SPDX-License-Identifier: BUSL-1.1
- */
-
-@use '../../variables/sizing';
-@use '../../utilities/type';
-
-.rose-form-label {
-  @include type.type(s, semibold);
-
-  display: block;
-  margin-bottom: sizing.rems(xxs);
-
-  &.error {
-    color: var(--failure);
-  }
-}