Remove not-used dependency in crash_dump

Test: Build crash_dump.
Change-Id: I053cf53196b3e438545138ca8401a0ad01006a8c
diff --git a/debuggerd/Android.bp b/debuggerd/Android.bp
index eb5578f..37d54d7 100644
--- a/debuggerd/Android.bp
+++ b/debuggerd/Android.bp
@@ -221,7 +221,6 @@
         "libbase",
         "liblog",
         "libprocinfo",
-        "libselinux",
     ],
 }
 
diff --git a/debuggerd/crash_dump.cpp b/debuggerd/crash_dump.cpp
index 88f390b..d2a4239 100644
--- a/debuggerd/crash_dump.cpp
+++ b/debuggerd/crash_dump.cpp
@@ -42,7 +42,6 @@
 #include <cutils/sockets.h>
 #include <log/log.h>
 #include <procinfo/process.h>
-#include <selinux/selinux.h>
 
 #include "backtrace.h"
 #include "tombstone.h"