move timeval to sys_select

src/header/sys_select/cbindgen.toml

@@ -1,4 +1,4 @@
-sys_includes = ["bits/sys/select.h", "sys/time.h", "signal.h"]
+sys_includes = ["bits/sys/select.h", "time.h", "signal.h"]
 include_guard = "_SYS_SELECT_H"
 language = "C"
 style = "Tag"
@@ -11,6 +11,3 @@ prefix_with_name = true
 [export]
 # fd_set is also defined in C because cbindgen is incompatible with mem::size_of booo
 exclude = ["FD_SETSIZE", "fd_set"]
-
-[export.rename]
-"timeval" = "struct timeval"