dropping unneeded include autoconf.h

It is force-included on the gcc command line since at least 2.6.15.
Explicit include lines seem to break compilation now in certain configurations.

Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index edf0b80..80273f2 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -26,7 +26,6 @@
 
  */
 
-#include <linux/autoconf.h>
 #include <linux/module.h>
 #include <linux/version.h>
 #include <linux/drbd.h>
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 1927ace..cfde310 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -23,7 +23,6 @@
 
  */
 
-#include <linux/autoconf.h>
 #include <linux/module.h>
 #include <linux/drbd.h>
 #include <linux/in.h>
diff --git a/drivers/block/drbd/drbd_proc.c b/drivers/block/drbd/drbd_proc.c
index 98fcb74..bdd0b49 100644
--- a/drivers/block/drbd/drbd_proc.c
+++ b/drivers/block/drbd/drbd_proc.c
@@ -23,7 +23,6 @@
 
  */
 
-#include <linux/autoconf.h>
 #include <linux/module.h>
 
 #include <asm/uaccess.h>
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 63686c4..2f81821 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -23,7 +23,6 @@
  */
 
 
-#include <linux/autoconf.h>
 #include <linux/module.h>
 
 #include <asm/uaccess.h>
diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index 0656cf1..1aaa397 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -23,7 +23,6 @@
 
  */
 
-#include <linux/autoconf.h>
 #include <linux/module.h>
 
 #include <linux/slab.h>
diff --git a/drivers/block/drbd/drbd_req.h b/drivers/block/drbd/drbd_req.h
index d37ab57..f22c1bc 100644
--- a/drivers/block/drbd/drbd_req.h
+++ b/drivers/block/drbd/drbd_req.h
@@ -25,7 +25,6 @@
 #ifndef _DRBD_REQ_H
 #define _DRBD_REQ_H
 
-#include <linux/autoconf.h>
 #include <linux/module.h>
 
 #include <linux/slab.h>
diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c
index 212e954..34a4b3e 100644
--- a/drivers/block/drbd/drbd_worker.c
+++ b/drivers/block/drbd/drbd_worker.c
@@ -23,7 +23,6 @@
 
  */
 
-#include <linux/autoconf.h>
 #include <linux/module.h>
 #include <linux/version.h>
 #include <linux/drbd.h>