Remove a dead syscall.h include in time.c

Bug: 141189390
Change-Id: I9224c98c79eee9ff5d6e437a66606a742053c747
diff --git a/src/time/time.c b/src/time/time.c
index ad0480f..cec1ca3 100644
--- a/src/time/time.c
+++ b/src/time/time.c
@@ -1,5 +1,4 @@
 #include <time.h>
-#include "syscall.h"
 
 time_t time(time_t *t)
 {