Revert "dumpstate: Add security log dump"

This reverts commit c7ad8cb82f035576c28707a8cbeb16b7ead2a4e7.

Bug: 26029733
Change-Id: I0c61f4d2c0aa9e07c6cc7b190d803e98c3a98d40
diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index 12ad220..84a0100 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -340,12 +340,11 @@
                                                         "-v", "printable",
                                                         "-d",
                                                         "*:v", NULL);
-    timeout = logcat_timeout("events") + logcat_timeout("security");
+    timeout = logcat_timeout("events");
     if (timeout < 20000) {
         timeout = 20000;
     }
     run_command("EVENT LOG", timeout / 1000, "logcat", "-b", "events",
-                                                       "-b", "security",
                                                        "-v", "threadtime",
                                                        "-v", "printable",
                                                        "-d",