ref: Remove unnecessary variable bold_items

The variable was introduced in 976e5aa. First used to detect bold characters, it was later replaced by another solution in 850ac3c.

src/config/theme.c

@@ -58,7 +58,6 @@
 
 static GString* theme_loc;
 static GKeyFile* theme;
-static GHashTable* bold_items;
 static GHashTable* defaults;
 
 static void _load_preferences(void);
@@ -78,10 +77,6 @@ _theme_close(void)
         g_string_free(theme_loc, TRUE);
         theme_loc = NULL;
     }
-    if (bold_items) {
-        g_hash_table_destroy(bold_items);
-        bold_items = NULL;
-    }
     if (defaults) {
         g_hash_table_destroy(defaults);
         defaults = NULL;