[gnome-builder] npm: unhide npm plugin

[Christian Hergert <chergert src gnome org>]

commit 97d90a83764ba22e6a9140c52b84dd6c721e4660
Author: Christian Hergert <chergert redhat com>
Date:   Mon May 20 15:31:16 2019 -0700

    npm: unhide npm plugin
    
    This shouldn't really be hidden.

 src/plugins/npm/npm.plugin | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/src/plugins/npm/npm.plugin b/src/plugins/npm/npm.plugin
index 80cb1fe0a..c8006a369 100644
--- a/src/plugins/npm/npm.plugin
+++ b/src/plugins/npm/npm.plugin
@@ -3,7 +3,6 @@ Authors=Giovanni Campagna <gcampagn cs stanford edu>
 Builtin=true
 Copyright=Copyright © 2016-2018 Christian Hergert, 2017 Giovanni Campagna
 Description=Provides integration with the NPM package system
-Hidden=true
 Loader=python3
 Module=npm_plugin
 Name=NPM/nodejs