Hide TextFile from the API

doc/classes/TextFile.xml

@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<class name="TextFile" inherits="Resource" version="4.0">
-	<brief_description>
-	</brief_description>
-	<description>
-	</description>
-	<tutorials>
-	</tutorials>
-	<methods>
-	</methods>
-	<constants>
-	</constants>
-</class>

scene/register_scene_types.cpp

@@ -812,7 +812,6 @@ void register_scene_types() {
 	GDREGISTER_CLASS(Font);
 	GDREGISTER_CLASS(Curve);
 
-	GDREGISTER_CLASS(TextFile);
 	GDREGISTER_CLASS(TextLine);
 	GDREGISTER_CLASS(TextParagraph);