remove termios2 related ioctls from sh ioctl.h
musl does not define these on other targets either.
diff --git a/arch/sh/bits/ioctl.h b/arch/sh/bits/ioctl.h
index 20fd17c..e6e7d34 100644
--- a/arch/sh/bits/ioctl.h
+++ b/arch/sh/bits/ioctl.h
@@ -85,10 +85,6 @@
#define TCSETS _IO('T', 2)
#define TCSETSW _IO('T', 3)
#define TCSETSF _IO('T', 4)
-#define TCGETS2 _IOR('T', 42, char[44])
-#define TCSETS2 _IOW('T', 43, char[44])
-#define TCSETSW2 _IOW('T', 44, char[44])
-#define TCSETSF2 _IOW('T', 45, char[44])
#define TIOCGRS485 _IOR('T', 46, char[32])
#define TIOCSRS485 _IOWR('T', 47, char[32])
#define TIOCGPTN _IOR('T', 48, unsigned int)