powerpc/ptrace: remove unused header includes

Remove unused header includes in ptrace.c and ptrace32.c
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/6276df0be87a4329c2bb46b3b0f02059ae9e70e6.1582848567.git.christophe.leroy@c-s.fr

arch/powerpc/kernel/ptrace/ptrace.c

@@ -15,35 +15,20 @@
  * this archive for more details.
  */
 
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/smp.h>
-#include <linux/errno.h>
-#include <linux/ptrace.h>
 #include <linux/regset.h>
 #include <linux/tracehook.h>
 #include <linux/elf.h>
-#include <linux/user.h>
-#include <linux/security.h>
-#include <linux/signal.h>
-#include <linux/seccomp.h>
 #include <linux/audit.h>
-#include <trace/syscall.h>
 #include <linux/hw_breakpoint.h>
-#include <linux/perf_event.h>
 #include <linux/context_tracking.h>
 #include <linux/nospec.h>
-
-#include <linux/uaccess.h>
+#include <linux/syscalls.h>
 #include <linux/pkeys.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
+
 #include <asm/switch_to.h>
 #include <asm/tm.h>
 #include <asm/asm-prototypes.h>
 #include <asm/debug.h>
-#include <asm/hw_breakpoint.h>
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/syscalls.h>

arch/powerpc/kernel/ptrace/ptrace32.c

@@ -17,21 +17,10 @@
  * this archive for more details.
  */
 
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/smp.h>
-#include <linux/errno.h>
 #include <linux/ptrace.h>
 #include <linux/regset.h>
-#include <linux/user.h>
-#include <linux/security.h>
-#include <linux/signal.h>
 #include <linux/compat.h>
 
-#include <linux/uaccess.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
 #include <asm/switch_to.h>
 
 /*