fix: use removeSync instead of unlinkSync for removing directories

Old version was a bug because frequently (always?) the directory was not empty.
Also no need to check if it exists, removeSync silently returns on non-existent folders.

Author: John Reeves

src/index.ts

@@ -227,9 +227,7 @@ export class TypeScriptPlugin {
 
     // copy development dependencies during packaging
     if (isPackaging) {
-      if (fs.existsSync(outModulesPath)) {
-        fs.unlinkSync(outModulesPath)
-      }
+      fs.removeSync(outModulesPath)
 
       fs.copySync(
         path.resolve('node_modules'),