build: removed unused code from gcal-utils

Removed enums and one function

TODO

@@ -5,7 +5,6 @@ TODO
  - Rework internal GcalWindow working
  - Clean GcalWindow compilation, no warnings
 
- - Clean gcal-enums for removing toolbar related enums
  - Add scroll_to_unit in day-view and week-view. Meaning, scroll to the actual
    hour.
  - Add disable/enable of views

src/gcal-utils.c

@@ -279,16 +279,6 @@ gcal_compare_event_widget_by_date (gconstpointer a,
   return icaltime_compare (*a_date, *b_date);
 }
 
-gint
-get_icon_margin (void)
-{
-  gint toolbar_size, menu_size;
-
-  gtk_icon_size_lookup (GTK_ICON_SIZE_MENU, &menu_size, NULL);
-  gtk_icon_size_lookup (GTK_ICON_SIZE_LARGE_TOOLBAR, &toolbar_size, NULL);
-  return (gint) floor ((toolbar_size - menu_size) / 2.0);
-}
-
 /* Function to do a last minute fixup of the AM/PM stuff if the locale
  * and gettext haven't done it right. Most English speaking countries
  * except the USA use the 24 hour clock (UK, Australia etc). However

src/gcal-utils.h

@@ -34,18 +34,6 @@ typedef enum
   GCAL_WINDOW_VIEW_LIST,
 } GcalWindowViewType;
 
-typedef enum
-{
-  GCAL_TOOLBAR_OVERVIEW = 0,
-  GCAL_TOOLBAR_VIEW_EVENT
-} GcalToolbarMode;
-
-typedef enum
-{
-  GCAL_EDIT_MODE = 0,
-  GCAL_VIEW_MODE,
-} GcalEditableMode;
-
 typedef enum
 {
   EVENT_SUMMARY = 0,
@@ -84,8 +72,6 @@ GdkPixbuf*      gcal_get_pixbuf_from_color                      (GdkColor
 gint            gcal_compare_event_widget_by_date               (gconstpointer          a,
                                                                  gconstpointer          b);
 
-gint            get_icon_margin                                 (void);
-
 /* code brought from evolution */
 gsize           e_strftime_fix_am_pm                            (gchar                 *str,
                                                                  gsize                  max,