superio/ite: remove unused stdint.h include from header files

Change-Id: Ica1c9f0c92886a081ab69612174a8d1d467b0713
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37739
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>

src/superio/ite/it8783ef/it8783ef.h

@@ -31,6 +31,4 @@
 #define IT8783EF_SP6	0x0b /* COM6 */
 #define IT8783EF_CIR	0x0c /* Consumer IR */
 
-#include <stdint.h>
-
 #endif /* SUPERIO_ITE_IT8783EF_H */

src/superio/ite/it8786e/it8786e.h

@@ -31,6 +31,4 @@
 #define IT8786E_SP5	0x0b /* COM5 */
 #define IT8786E_SP6	0x0c /* COM6 */
 
-#include <stdint.h>
-
 #endif /* SUPERIO_ITE_IT8786E_H */