EDK: Remove MOJO_SYSTEM_IMPL_EXPORT, system_impl_export.h, etc.

mojo/edk/system/memory.h

Index: mojo/edk/system/memory.h
diff --git a/mojo/edk/system/memory.h b/mojo/edk/system/memory.h
index 4c8e34817a60c3116d0b6192a4b3dee33c99babd..427dbb3beccc789a49e5ea4110b1eb0904afac39 100644
--- a/mojo/edk/system/memory.h
+++ b/mojo/edk/system/memory.h
@@ -12,7 +12,6 @@
 #include <memory>
 #include <type_traits>
 
-#include "mojo/edk/system/system_impl_export.h"
 #include "mojo/public/c/system/macros.h"
 #include "mojo/public/cpp/system/macros.h"
 
@@ -38,19 +37,17 @@ struct VoidToChar<const void> {
 // Checks (insofar as appropriate/possible) that |pointer| is a valid pointer to
 // a buffer of the given size and alignment (both in bytes).
 template <size_t size, size_t alignment>
-void MOJO_SYSTEM_IMPL_EXPORT CheckUserPointer(const void* pointer);
+void CheckUserPointer(const void* pointer);
 
 // Checks (insofar as appropriate/possible) that |pointer| is a valid pointer to
 // a buffer of |count| elements of the given size and alignment (both in bytes).
 template <size_t size, size_t alignment>
-void MOJO_SYSTEM_IMPL_EXPORT
-CheckUserPointerWithCount(const void* pointer, size_t count);
+void CheckUserPointerWithCount(const void* pointer, size_t count);
 
 // Checks (insofar as appropriate/possible) that |pointer| is a valid pointer to
 // a buffer of the given size and alignment (both in bytes).
 template <size_t alignment>
-void MOJO_SYSTEM_IMPL_EXPORT
-CheckUserPointerWithSize(const void* pointer, size_t size);
+void CheckUserPointerWithSize(const void* pointer, size_t size);
 
 }  // namespace internal