Revert "fix: enhance package manager resolution for pnpm in installation process"

This reverts commit e9dc869.

AdminForth/1704/create-json-editor-plugin

Author: yaroslav8765

adminforth/commands/createApp/utils.js

@@ -487,27 +487,8 @@ async function writeTemplateFiles(dirname, cwd, useNpm, includePrismaMigrations,
   }
 }
 
-async function resolvePackageManagerCommand(packageManager) {
-  if (packageManager !== 'pnpm') {
-    return packageManager;
-  }
-
-  try {
-    await execAsync('pnpm --version', { env: process.env });
-    return 'pnpm';
-  } catch {
-    try {
-      await execAsync('corepack pnpm --version', { env: process.env });
-      return 'corepack pnpm';
-    } catch {
-      throw new Error('pnpm is not available. Install pnpm globally or enable Corepack before creating a pnpm project.');
-    }
-  }
-}
-
 async function installDependencies(ctx, cwd, packageManager) {
-  const packageManagerCommand = await resolvePackageManagerCommand(packageManager);
-  const command = `${packageManagerCommand} install`;
+  const command = `${packageManager} install`;
 
   await Promise.all([
     execAsync(command, { cwd, env: process.env }),