node_channel.cc: Remove dead code.

mojo/edk/system/node_channel.cc

Index: mojo/edk/system/node_channel.cc
diff --git a/mojo/edk/system/node_channel.cc b/mojo/edk/system/node_channel.cc
index b0f770d9076fe0f4111afdee33d0aa2785a66ddc..bed38483689b8e495abb940f9f7ddbbbcb5163c3 100644
--- a/mojo/edk/system/node_channel.cc
+++ b/mojo/edk/system/node_channel.cc
@@ -23,12 +23,6 @@ namespace edk {
 
 namespace {
 
-template <typename T>
-T Align(T t) {
-  const auto k = kChannelMessageAlignment;
-  return t + (k - (t % k)) % k;
-}
-
 // NOTE: Please ONLY append messages to the end of this enum.
 enum class MessageType : uint32_t {
   ACCEPT_CHILD,