[gnome-builder] rls: allow rls to be disabled

[Christian Hergert <chergert src gnome org>]

commit 3b6e18a9b1eb1ea87e6f52b16fb88554256bf546
Author: Christian Hergert <chergert redhat com>
Date:   Wed Mar 20 11:42:47 2019 -0700

    rls: allow rls to be disabled
    
    Fixes #857

 src/plugins/rls/rls.plugin | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/src/plugins/rls/rls.plugin b/src/plugins/rls/rls.plugin
index 00237beb7..fb6eeea81 100644
--- a/src/plugins/rls/rls.plugin
+++ b/src/plugins/rls/rls.plugin
@@ -4,7 +4,6 @@ Builtin=true
 Copyright=Copyright © 2016-2018 Christian Hergert
 Description=Provides auto-completion, diagnostics, and other IDE features
 Loader=python3
-Hidden=true
 Module=rls_plugin
 Name=Rust Language Server Integration
 X-Completion-Provider-Languages=rust