Remove last NACL references

.gitignore

@@ -1,10 +1,9 @@
-# GoDot auto generated files
+# Godot auto generated files
 platform/server/logo.h
 platform/android/logo.h
 platform/bb10/logo.h
 platform/iphone/logo.h
 platform/javascript/logo.h
-platform/nacl/logo.h
 platform/osx/logo.h
 platform/windows/logo.h
 platform/x11/logo.h

tools/addheader/files

@@ -117,8 +117,6 @@
 ./script/multiscript/multi_script.cpp
 ./script/multiscript/multi_script.h
 ./script/register_script_types.h
-./platform/nacl/*.h
-./platform/nacl/*.cpp
 ./platform/android/*.h
 ./platform/android/*.cpp
 ./platform/android/java/src/com/android/godot/*.java