restore: Drop unused struct partial_pt_regs

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>

include/restorer.h

@@ -64,25 +64,6 @@ struct pt_regs {
 	unsigned long	ss;
 };
 
-struct partial_pt_regs {
-	unsigned long	r11;
-	unsigned long	r10;
-	unsigned long	r9;
-	unsigned long	r8;
-	unsigned long	ax;
-	unsigned long	cx;
-	unsigned long	dx;
-	unsigned long	si;
-	unsigned long	di;
-	unsigned long	orig_ax;
-
-	unsigned long	ip;
-	unsigned long	cs;
-	unsigned long	flags;
-	unsigned long	sp;
-	unsigned long	ss;
-};
-
 struct rt_sigcontext {
 	unsigned long			r8;
 	unsigned long			r9;