Remove snowfall entities if they get stuck for more then 2mins.

init.lua

@@ -435,6 +435,10 @@ if snow.enable_snowfall then
 			self.object:remove()
 		end
 		
+		if self.timer > 120 then
+			self.object:remove()
+		end
+
 		self.lastpos={x=pos.x, y=pos.y, z=pos.z} -- Set lastpos-->Node will be added at last pos outside the node
 	end