ClatCoordinator: fix erroneous .close() of fds without throw

This path is not throwing, because it's considered a non-fatal error, so the function keeps on executing, so we can't close the fds.

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I3a996dae39553147ea355c4593d588d2a7c45557
diff --git a/service/src/com/android/server/connectivity/ClatCoordinator.java b/service/src/com/android/server/connectivity/ClatCoordinator.java
index ea89be6..498cf63 100644
--- a/service/src/com/android/server/connectivity/ClatCoordinator.java
+++ b/service/src/com/android/server/connectivity/ClatCoordinator.java
@@ -596,7 +596,6 @@
         try {
             mNetd.interfaceSetEnableIPv6(tunIface, false /* enabled */);
         } catch (RemoteException | ServiceSpecificException e) {
-            maybeCleanUp(tunFd, readSock6, writeSock6);
             Log.e(TAG, "Disable IPv6 on " + tunIface + " failed: " + e);
         }