[gnome-calendar] application: Remove unused variable

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

commit 09cb142a5b02b1b609b78cbaf90915b00ae228cd
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Thu Apr 25 16:26:15 2019 -0300

    application: Remove unused variable

 src/gcal-application.c | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/src/gcal-application.c b/src/gcal-application.c
index 1a5ccadc..779ae430 100644
--- a/src/gcal-application.c
+++ b/src/gcal-application.c
@@ -238,12 +238,10 @@ static void
 gcal_application_activate (GApplication *application)
 {
   GcalApplication *self;
-  GcalManager *manager;
 
   GCAL_ENTRY;
 
   self = GCAL_APPLICATION (application);
-  manager = gcal_context_get_manager (self->context);
 
   if (!self->provider)
     load_css_provider (self);