Remove unused typemap includes from generated C++ mojo bindings.

mojo/public/tools/bindings/generators/cpp_templates/module-shared.h.tmpl

Index: mojo/public/tools/bindings/generators/cpp_templates/module-shared.h.tmpl
diff --git a/mojo/public/tools/bindings/generators/cpp_templates/module-shared.h.tmpl b/mojo/public/tools/bindings/generators/cpp_templates/module-shared.h.tmpl
index dd13466de18c34affb9bea4cb8bb3cefd9c88a59..64f03dd5dc451074422a627eec95eb11e2c50728 100644
--- a/mojo/public/tools/bindings/generators/cpp_templates/module-shared.h.tmpl
+++ b/mojo/public/tools/bindings/generators/cpp_templates/module-shared.h.tmpl
@@ -38,25 +38,19 @@ namespace {{namespace}} {
 #include <stdint.h>
 
 #include <functional>
-#include <ostream>
 #include <type_traits>
 #include <utility>
 
 #include "base/compiler_specific.h"
-#include "mojo/public/cpp/bindings/array_data_view.h"
-#include "mojo/public/cpp/bindings/enum_traits.h"
-#include "mojo/public/cpp/bindings/interface_data_view.h"
 #include "mojo/public/cpp/bindings/lib/bindings_internal.h"
 #include "mojo/public/cpp/bindings/lib/serialization.h"
-#include "mojo/public/cpp/bindings/map_data_view.h"
-#include "mojo/public/cpp/bindings/native_enum.h"
-#include "mojo/public/cpp/bindings/native_struct_data_view.h"
-#include "mojo/public/cpp/bindings/string_data_view.h"
+{%- for header in public_shared_headers %}
+#include {{header}}
+{%- endfor %}
 #include "{{module.path}}-shared-internal.h"
 {%- for import in imports %}
 #include "{{import.module.path}}-shared.h"
 {%- endfor %}
-
 {{namespace_begin()}}
 
 {#--- Struct Forward Declarations -#}