Resolve #3288828 "D10"

composer.json

@@ -10,21 +10,11 @@
     "issues": "https://www.drupal.org/project/issues/npm",
     "source": "http://cgit.drupalcode.org/npm"
   },
-  "require": {
-    "symfony/process": "^3.4 || ^4.4"
-  },
   "autoload": {
     "psr-4": {
       "Drupal\\npm\\": "src/"
     }
   },
-  "extra": {
-    "drush": {
-      "services": {
-        "drush.services.yml": "^9"
-      }
-    }
-  },
   "authors": [
     {
       "name": "Błażej Owczarczyk",

npm.info.yml

@@ -2,5 +2,4 @@ name: Node Package Manager
 type: module
 description: Provides npm actions, e.g. require a package, run script, etc.
 package: Javascript
-core: 8.x
-core_version_requirement: ^8 || ^9
+core_version_requirement: ^9 || ^10

src/Plugin/NpmExecutable/Yarn.php

@@ -96,10 +96,6 @@ class Yarn extends NpmExecutablePluginBase {
     $cwd = $this->getWorkingDirectory();
     array_unshift($args, "--cwd=$cwd");
     array_unshift($args, 'yarn');
-    // Drupal 8.4 come with symfony/process 3.2.8 (3.4.14 in 8.5). Array
-    // arguments were introduced in 3.3.
-    // TODO: Delete this line after dropping support for drupal 8.4.
-    $args = implode(' ', $args);
     return new Process($args);
   }