[][MAC80211][misc][Fix build error]

[Description]
Fix build error: flowblock didn't have to patch
999-2726-mtkhnat-tnl-interface-offload-check.patch

[Release-log]

Change-Id: Ib85bfc15dd315e864022d7aa560cb2cc45a25842
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/7608984
diff --git a/autobuild_mac80211_release/lede-build-sanity.sh b/autobuild_mac80211_release/lede-build-sanity.sh
index 1b060e5..8871b73 100755
--- a/autobuild_mac80211_release/lede-build-sanity.sh
+++ b/autobuild_mac80211_release/lede-build-sanity.sh
@@ -154,6 +154,7 @@
 	rm -rf ./target/linux/generic/hack-5.4/647-netfilter-flow-acct.patch
 	rm -rf ./target/linux/generic/hack-5.4/650-netfilter-add-xt_OFFLOAD-target.patch
 	rm -rf ./target/linux/mediatek/patches-5.4/999-2708-mtkhnat-add-support-for-virtual-interface-acceleration.patch
+	rm -rf ./target/linux/mediatek/patches-5.4/999-2726-mtkhnat-tnl-interface-offload-check.patch
 
 	#hack mt7988 config5.4
 	echo "CONFIG_BRIDGE_NETFILTER=y" >> ./target/linux/mediatek/mt7988/config-5.4