remove: remove LinkedList from namespace

BREAKING CHANGE: remove `LinkedList` from namespace

To migrate, users should access the same symbol via the `@stdlib/dstructs`
namespace.

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: na
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: passed
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: na
  - task: lint_javascript_benchmarks
    status: na
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: na
  - task: lint_c_examples
    status: na
  - task: lint_c_benchmarks
    status: na
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: passed
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---

Author: kgryte

lib/node_modules/@stdlib/utils/docs/types/index.d.ts

@@ -125,7 +125,6 @@ import keyBy = require( '@stdlib/utils/key-by' );
 import keyByRight = require( '@stdlib/utils/key-by-right' );
 import objectKeys = require( '@stdlib/utils/keys' );
 import keysIn = require( '@stdlib/utils/keys-in' );
-import LinkedList = require( '@stdlib/utils/linked-list' );
 import lowercaseKeys = require( '@stdlib/utils/lowercase-keys' );
 import map = require( '@stdlib/utils/map' );
 import mapArguments = require( '@stdlib/utils/map-arguments' );
@@ -3150,11 +3149,6 @@ interface Namespace {
 	*/
 	keysIn: typeof keysIn;
 
-	/**
-	* List node.
-	*/
-	LinkedList: typeof LinkedList;
-
 	/**
 	* Converts each object key to lowercase.
 	*

lib/node_modules/@stdlib/utils/lib/index.js

@@ -985,15 +985,6 @@ setReadOnly( utils, 'objectKeys', require( '@stdlib/utils/keys' ) );
 */
 setReadOnly( utils, 'keysIn', require( '@stdlib/utils/keys-in' ) );
 
-/**
-* @name LinkedList
-* @memberof utils
-* @readonly
-* @type {Function}
-* @see {@link module:@stdlib/utils/linked-list}
-*/
-setReadOnly( utils, 'LinkedList', require( '@stdlib/utils/linked-list' ) );
-
 /**
 * @name lowercaseKeys
 * @memberof utils