staging: erofs: remove redundant #include "internal.h"

Because #include "internal.h" is included in xattr.h
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Link: https://lore.kernel.org/r/20190731155752.210602-8-gaoxiang25@huawei.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/erofs/namei.c

@@ -6,7 +6,6 @@
  *             http://www.huawei.com/
  * Created by Gao Xiang <gaoxiang25@huawei.com>
  */
-#include "internal.h"
 #include "xattr.h"
 
 #include <trace/events/erofs.h>

drivers/staging/erofs/super.c

@@ -11,7 +11,6 @@
 #include <linux/statfs.h>
 #include <linux/parser.h>
 #include <linux/seq_file.h>
-#include "internal.h"
 #include "xattr.h"
 
 #define CREATE_TRACE_POINTS