Backed out changeset afc05ca167e7 (bug 1652463) for causing mochitest media spi failures.

security/sandbox/win/src/sandboxbroker/sandboxBroker.cpp

@@ -1047,14 +1047,6 @@ bool SandboxBroker::SetSecurityLevelForSocketProcess() {
       result,
       "With these static arguments AddRule should never fail, what happened?");
 
-  // Add rule to allow process to create the server side of our IPC pipes.
-  result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_NAMED_PIPES,
-                            sandbox::TargetPolicy::NAMEDPIPES_ALLOW_ANY,
-                            L"\\\\.\\pipe\\chrome.*");
-  MOZ_RELEASE_ASSERT(
-      sandbox::SBOX_ALL_OK == result,
-      "With these static arguments AddRule should never fail, what happened?");
-
   // Add the policy for the client side of the crash server pipe.
   result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_FILES,
                             sandbox::TargetPolicy::FILES_ALLOW_ANY,