[gnome-builder] rustup: remove Hidden field from plugin

[Christian Hergert <chergert src gnome org>]

commit ef6e82fc995bac2937780a7006c0edc86469a057
Author: Christian Hergert <chergert redhat com>
Date:   Sat Feb 18 11:51:16 2017 -0800

    rustup: remove Hidden field from plugin

 plugins/rustup/rustup.plugin |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/plugins/rustup/rustup.plugin b/plugins/rustup/rustup.plugin
index 130d4c5..82758e4 100644
--- a/plugins/rustup/rustup.plugin
+++ b/plugins/rustup/rustup.plugin
@@ -6,4 +6,3 @@ Description=Helps keep your rust installation up to date!
 Authors=Christian Hergert <christian hergert me>, Georg Vienna <georg vienna himbarsoft com>
 Copyright=Copyright © 2017 Christian Hergert, Georg Vienna <georg vienna himbarsoft com>
 Builtin=true
-Hidden=true