[calls] main-window: Remove unused header

[Evangelos Ribeiro Tzaras <devrtz src gnome org>]

commit 620804ab01d24180aadbe28cf7ce636d3bd43ddf
Author: Evangelos Ribeiro Tzaras <devrtz fortysixandtwo eu>
Date:   Fri Oct 1 18:34:58 2021 +0200

    main-window: Remove unused header

 src/calls-main-window.c | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/src/calls-main-window.c b/src/calls-main-window.c
index 56e9702f..2c357fb8 100644
--- a/src/calls-main-window.c
+++ b/src/calls-main-window.c
@@ -26,7 +26,6 @@
 #include "calls-account-overview.h"
 #include "calls-origin.h"
 #include "calls-ussd.h"
-#include "calls-call-selector-item.h"
 #include "calls-new-call-box.h"
 #include "calls-contacts-box.h"
 #include "calls-history-box.h"