[calls] contacts-provider: Remove unused config.h include

[Evangelos Ribeiro Tzaras <devrtz src gnome org>]

commit 56da32d1b6a12b68fa820373ca7ebaa56417c6dd
Author: Evangelos Ribeiro Tzaras <devrtz fortysixandtwo eu>
Date:   Fri Dec 31 11:16:46 2021 +0100

    contacts-provider: Remove unused config.h include

 src/calls-contacts-provider.c | 4 ----
 1 file changed, 4 deletions(-)
---
diff --git a/src/calls-contacts-provider.c b/src/calls-contacts-provider.c
index f9051e67..fe8c5b37 100644
--- a/src/calls-contacts-provider.c
+++ b/src/calls-contacts-provider.c
@@ -24,10 +24,6 @@
  * SPDX-License-Identifier: GPL-3.0-or-later
  */
 
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
 #include "calls-contacts-provider.h"
 #include "calls-best-match.h"