Use built-in type definitions of import-lazy (#5237)

This change uses the built-in type definitions of the `import-lazy` package.

`importLazy()` accepts an argument as a module ID:
https://github.com/sindresorhus/import-lazy/blob/v4.0.0/index.js#L2-L3

lib/formatters/index.js

@@ -3,10 +3,10 @@
 const importLazy = require('import-lazy');
 
 module.exports = {
-	compact: importLazy(() => require('./compactFormatter'))(),
-	json: importLazy(() => require('./jsonFormatter'))(),
-	string: importLazy(() => require('./stringFormatter'))(),
-	tap: importLazy(() => require('./tapFormatter'))(),
-	unix: importLazy(() => require('./unixFormatter'))(),
-	verbose: importLazy(() => require('./verboseFormatter'))(),
+	compact: importLazy(() => require('./compactFormatter'))('compactFormatter'),
+	json: importLazy(() => require('./jsonFormatter'))('jsonFormatter'),
+	string: importLazy(() => require('./stringFormatter'))('stringFormatter'),
+	tap: importLazy(() => require('./tapFormatter'))('tapFormatter'),
+	unix: importLazy(() => require('./unixFormatter'))('unixFormatter'),
+	verbose: importLazy(() => require('./verboseFormatter'))('verboseFormatter'),
 };

types/global.d.ts

@@ -1,6 +1,5 @@
 declare module '@stylelint/postcss-css-in-js';
 declare module '@stylelint/postcss-markdown';
-declare module 'import-lazy';
 declare module 'postcss-html';
 declare module 'postcss-sass';
 declare module 'sugarss';