/proc/net/xt_qtaguid/ is long deprecated and never present/used

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I9b4607cbf1590fe90ac8f380f37a546c0eaa60da
diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index 9e73dcc..34a9caa 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -1208,10 +1208,6 @@
 
 static void DumpPacketStats() {
     DumpFile("NETWORK DEV INFO", "/proc/net/dev");
-    DumpFile("QTAGUID NETWORK INTERFACES INFO", "/proc/net/xt_qtaguid/iface_stat_all");
-    DumpFile("QTAGUID NETWORK INTERFACES INFO (xt)", "/proc/net/xt_qtaguid/iface_stat_fmt");
-    DumpFile("QTAGUID CTRL INFO", "/proc/net/xt_qtaguid/ctrl");
-    DumpFile("QTAGUID STATS INFO", "/proc/net/xt_qtaguid/stats");
 }
 
 static void DumpIpAddrAndRules() {