[][MAC80211][misc][Change revert patch for backports-5.15]

[Description]
Change revert patch for backports-5.15
Since mt7996 already merge into mt76 master tree, remove temp mt7996 source code.

[Release-log]
N/A

Change-Id: I28ec1a2b7ddf24b000bd05db5aee140d96a5a03d
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6916254
diff --git a/autobuild_mac80211_release/mt7986_mac80211/lede-branch-build-sanity.sh b/autobuild_mac80211_release/mt7986_mac80211/lede-branch-build-sanity.sh
index b5a507e..df47bd4 100755
--- a/autobuild_mac80211_release/mt7986_mac80211/lede-branch-build-sanity.sh
+++ b/autobuild_mac80211_release/mt7986_mac80211/lede-branch-build-sanity.sh
@@ -58,6 +58,10 @@
 		echo "CONFIG_FRAME_WARN=4096" >> ${BUILD_DIR}/target/linux/mediatek/mt7986/config-5.4
 	}
 
+	[ "$backport_new" = "1" ] && {
+		rm -rf ${BUILD_DIR}/package/kernel/mt76/patches/*revert-for-backports*.patch
+	}
+
 }
 
 #step1 clean