Remove more deprecated calls

mods/bed/init.lua

@@ -37,7 +37,7 @@ minetest.register_on_respawnplayer(function(player)
 	local string_pos = mod_storage:get_string(name)
 	if string_pos ~= "" then
 		local pos = minetest.string_to_pos(string_pos)
-		player:setpos(pos)
+		player:set_pos(pos)
 		return(true)
 	end
 end)

mods/mob/api/movement.lua

@@ -7,7 +7,7 @@ mobs.create_movement_functions = function(def,mob_register)
 		local node = minetest.get_node(pos).name
 		self.swimming = false
 		if node == "main:water" or node =="main:waterflow" then
-			local vel = self.object:getvelocity()
+			local vel = self.object:get_velocity()
 			local goal = 3
 			local acceleration = vector.new(0,goal-vel.y,0)
 			--jump out of the water