Revert "rtl8192du: fix work under openwrt"

This reverts commit 549292fcfa.

package/ntlf9t/rtl8192du/patches/020-remove-repeat-flies.patch

@@ -1,39 +0,0 @@
-From 9b2b0ec1bc2d31ddf93ed74d63fdfa6044e329a4 Mon Sep 17 00:00:00 2001
-From: Ben Greear <greearb@candelatech.com>
-Date: Fri, 9 Nov 2018 16:21:43 -0800
-Subject: [PATCH] Fix build against openwrt backports tree.
-
-Like breaks builds elsewhere, can fix it up later.
-
-Signed-off-by: Ben Greear <greearb@candelatech.com>
----
- include/drv_conf.h                            |  4 +++-
- .../{wireless.h => old_unused_rtl_wireless.h} |  0
- include/{autoconf.h => rtl_autoconf.h}        |  0
- 3 files changed, 3 insertions(+), 1 deletions(-)
- rename include/linux/{wireless.h => old_unused_rtl_wireless.h} (100%)
- rename include/{autoconf.h => rtl_autoconf.h} (100%)
-
-diff --git a/include/drv_conf.h b/include/drv_conf.h
-index 0d20a7e..f0a9f88 100644
---- a/include/drv_conf.h
-+++ b/include/drv_conf.h
-@@ -14,7 +14,9 @@
-  *****************************************************************************/
- #ifndef __DRV_CONF_H__
- #define __DRV_CONF_H__
--#include "autoconf.h"
-+
-+#include <generated/autoconf.h>
-+#include "rtl_autoconf.h"
- #include "hal_ic_cfg.h"
- 
- #if defined(PLATFORM_LINUX) && defined (PLATFORM_WINDOWS)
-diff --git a/include/linux/wireless.h b/include/linux/old_unused_rtl_wireless.h
-similarity index 100%
-rename from include/linux/wireless.h
-rename to include/linux/old_unused_rtl_wireless.h
-diff --git a/include/autoconf.h b/include/rtl_autoconf.h
-similarity index 100%
-rename from include/autoconf.h
-rename to include/rtl_autoconf.h