EDK: Remove MOJO_SYSTEM_IMPL_EXPORT, system_impl_export.h, etc.

mojo/edk/system/remote_consumer_data_pipe_impl.h

Index: mojo/edk/system/remote_consumer_data_pipe_impl.h
diff --git a/mojo/edk/system/remote_consumer_data_pipe_impl.h b/mojo/edk/system/remote_consumer_data_pipe_impl.h
index 15da4118de564a81fb64ee8c3ffcb6167dc49ff7..d5ebb857ddffe65dade997370882e5f84472d576 100644
--- a/mojo/edk/system/remote_consumer_data_pipe_impl.h
+++ b/mojo/edk/system/remote_consumer_data_pipe_impl.h
@@ -11,7 +11,6 @@
 #include "base/memory/ref_counted.h"
 #include "mojo/edk/system/channel_endpoint.h"
 #include "mojo/edk/system/data_pipe_impl.h"
-#include "mojo/edk/system/system_impl_export.h"
 #include "mojo/public/cpp/system/macros.h"
 
 namespace mojo {
@@ -20,8 +19,7 @@ namespace system {
 // |RemoteConsumerDataPipeImpl| is a subclass that "implements" |DataPipe| for
 // data pipes whose producer is local and whose consumer is remote. See
 // |DataPipeImpl| for more details.
-class MOJO_SYSTEM_IMPL_EXPORT RemoteConsumerDataPipeImpl final
-    : public DataPipeImpl {
+class RemoteConsumerDataPipeImpl final : public DataPipeImpl {
  public:
   RemoteConsumerDataPipeImpl(ChannelEndpoint* channel_endpoint,
                              size_t consumer_num_bytes);