Clean up dependencies

node_modules/autoprefixer/lib/hacks/user-select.js

@@ -1,33 +0,0 @@
-let Declaration = require('../declaration')
-
-class UserSelect extends Declaration {
-  /**
-   * Avoid prefixing all in IE
-   */
-  insert(decl, prefix, prefixes) {
-    if (decl.value === 'all' && prefix === '-ms-') {
-      return undefined
-    } else if (
-      decl.value === 'contain' &&
-      (prefix === '-moz-' || prefix === '-webkit-')
-    ) {
-      return undefined
-    } else {
-      return super.insert(decl, prefix, prefixes)
-    }
-  }
-
-  /**
-   * Change prefixed value for IE
-   */
-  set(decl, prefix) {
-    if (prefix === '-ms-' && decl.value === 'contain') {
-      decl.value = 'element'
-    }
-    return super.set(decl, prefix)
-  }
-}
-
-UserSelect.names = ['user-select']
-
-module.exports = UserSelect