remove child variable that is duplicated from parent class

modules/gdscript/gd_parser.h

@@ -276,7 +276,6 @@ public:
 	};
 
 	struct NewLineNode : public Node {
-		int line;
 		NewLineNode() { type=TYPE_NEWLINE; }
 	};
 

servers/visual/rasterizer_dummy.h

@@ -162,10 +162,6 @@ class RasterizerDummy : public Rasterizer {
 		uint32_t format;
 		uint32_t morph_format;
 
-		RID material;
-		bool material_owned;
-
-
 		Surface() {
 
 			packed=false;