[gnome-calendar] project: remove unused variables

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

commit a6470338477a5c69cfd446f69cf8bc7d431cc218
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Mon May 22 21:57:24 2017 -0300

    project: remove unused variables

 src/gcal-event-widget.c    |    2 --
 src/gcal-manager.c         |    4 ----
 src/views/gcal-year-view.c |    1 -
 3 files changed, 0 insertions(+), 7 deletions(-)
---
diff --git a/src/gcal-event-widget.c b/src/gcal-event-widget.c
index 6376fee..3839499 100644
--- a/src/gcal-event-widget.c
+++ b/src/gcal-event-widget.c
@@ -136,14 +136,12 @@ get_visible_text (GtkWidget         *widget,
 static gint
 get_vertical_text_height (GtkWidget *widget)
 {
-  GcalEventWidget *self;
   GtkBorder border, padding;
   GtkStyleContext *context;
   PangoLayout *layout;
   gint layout_height;
   gchar* display_text;
 
-  self = GCAL_EVENT_WIDGET (widget);
   context = gtk_widget_get_style_context (widget);
   display_text = get_visible_text (widget, GTK_ORIENTATION_VERTICAL);
   layout = gtk_widget_create_pango_layout (widget, display_text);
diff --git a/src/gcal-manager.c b/src/gcal-manager.c
index da668dc..627908e 100644
--- a/src/gcal-manager.c
+++ b/src/gcal-manager.c
@@ -1159,8 +1159,6 @@ gcal_manager_get_sources (GcalManager *manager)
 
   while (g_hash_table_iter_next (&iter, &key, &value))
     {
-      GcalManagerUnit *unit = value;
-
       if (!is_source_enabled (key))
         continue;
 
@@ -1577,7 +1575,6 @@ gcal_manager_disable_source (GcalManager *manager,
                              ESource     *source)
 {
   ESourceSelectable *selectable;
-  GcalManagerUnit *unit;
   const gchar *source_uid;
 
   GCAL_ENTRY;
@@ -1585,7 +1582,6 @@ gcal_manager_disable_source (GcalManager *manager,
   g_return_if_fail (GCAL_IS_MANAGER (manager));
   g_return_if_fail (E_IS_SOURCE (source));
 
-  unit = g_hash_table_lookup (manager->clients, source);
   selectable = e_source_get_extension (source, E_SOURCE_EXTENSION_CALENDAR);
 
   if (!is_source_enabled (source))
diff --git a/src/views/gcal-year-view.c b/src/views/gcal-year-view.c
index 0b0554e..7d8c1f9 100644
--- a/src/views/gcal-year-view.c
+++ b/src/views/gcal-year-view.c
@@ -1785,7 +1785,6 @@ gcal_year_view_component_added (ECalDataModelSubscriber *subscriber,
   GDateTime *event_start, *event_end;
   GcalEvent *event;
   GError *error;
-  GList *l;
   guint i, start_month, end_month;
 
   error = NULL;