um: kill skas_ptregs.h

It's a plain include of user_constants.h and all (2) users are
including user_constants.h directly prior to that.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>

arch/um/include/shared/skas_ptregs.h

-#ifndef __SKAS_PT_REGS_
-#define __SKAS_PT_REGS_
-
-#include <user_constants.h>
-
-#endif

arch/um/sys-i386/shared/sysdep/ptrace.h

@@ -24,8 +24,6 @@ void set_using_sysemu(int value);
 int get_using_sysemu(void);
 extern int sysemu_supported;
 
-#include "skas_ptregs.h"
-
 #define REGS_IP(r) ((r)[HOST_IP])
 #define REGS_SP(r) ((r)[HOST_SP])
 #define REGS_EFLAGS(r) ((r)[HOST_EFLAGS])

arch/um/sys-x86_64/shared/sysdep/ptrace.h

@@ -14,8 +14,6 @@
 #define MAX_REG_OFFSET (UM_FRAME_SIZE)
 #define MAX_REG_NR ((MAX_REG_OFFSET) / sizeof(unsigned long))
 
-#include "skas_ptregs.h"
-
 #define REGS_IP(r) ((r)[HOST_IP])
 #define REGS_SP(r) ((r)[HOST_SP])