Remove get_noiseparams function. read_noiseparams should be used from now on

src/mg_ore.h

@@ -71,6 +71,8 @@ public:
 	NoiseParams np;     // noise for distribution of clusters (NULL for uniform scattering)
 	Noise *noise;
 
+	Ore();
+
 	size_t placeOre(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
 	virtual void generate(ManualMapVoxelManipulator *vm, int seed,
 						u32 blockseed, v3s16 nmin, v3s16 nmax) = 0;