[gnome-calendar/calendar-editor] source-dialog: hide remove button instead of insensitivize it

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 1b3b2fdc3dc5cb857323ede8d4178212b362e213
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Wed Apr 8 16:12:22 2015 -0300

    source-dialog: hide remove button instead of insensitivize it
    
    New mockups hide the remove button. Follow it.

 src/gcal-source-dialog.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/gcal-source-dialog.c b/src/gcal-source-dialog.c
index a439bb6..700c861 100644
--- a/src/gcal-source-dialog.c
+++ b/src/gcal-source-dialog.c
@@ -1266,7 +1266,7 @@ gcal_source_dialog_set_source (GcalSourceDialog *dialog,
   gtk_header_bar_set_subtitle (GTK_HEADER_BAR (priv->headerbar), parent_name);
 
   /* toggle the remove button */
-  gtk_widget_set_sensitive (priv->remove_button, e_source_get_removable (source));
+  gtk_widget_set_visible (priv->remove_button, e_source_get_removable (source));
 
   /* unblock signals */
   g_signal_handlers_unblock_by_func (priv->calendar_color_button, color_set, dialog);