Remove keyword export LOD (was not even use everywhere)

h3d/prim/HMDModel.hx

@@ -16,8 +16,6 @@ class HMDModel extends MeshPrimitive {
 	var lodConfig : Array<Float> = null;
 	var colliderData : Collider;
 
-	public static var lodExportKeyword : String = "LOD";
-
 	public function new( data : hxd.fmt.hmd.Data.Geometry, dataPos, lib, lods : Array<hxd.fmt.hmd.Data.Model> = null ) {
 		this.lods = [data];
 		if (lods != null) {

hxd/fmt/fbx/HMDOut.hx

@@ -11,8 +11,6 @@ typedef CollideParams = {
 }
 
 class HMDOut extends BaseLibrary {
-	public static var lodExportKeyword : String = "LOD";
-
 	var d : Data;
 	var dataOut : haxe.io.BytesOutput;
 	var filePath : String;
@@ -778,7 +776,7 @@ class HMDOut extends BaseLibrary {
 
 	function getLODInfos( modelName : String ) : { lodLevel : Int , modelName : String } {
 
-		var keyword = lodExportKeyword;
+		var keyword = "LOD";
 		if ( modelName == null || modelName.length <= keyword.length )
 			return { lodLevel : -1, modelName : null };
 

hxd/fmt/hmd/Library.hx

@@ -394,7 +394,7 @@ class Library {
 
 	public function getLODInfos( model : Model ) : { lodLevel : Int , modelName : String } {
 		var modelName : String = model.name;
-		var keyword = h3d.prim.HMDModel.lodExportKeyword;
+		var keyword = "LOD";
 		if ( modelName == null || modelName.length <= keyword.length )
 			return { lodLevel : -1, modelName : null };