Clean up jump exhaustion code a bit

mods/PLAYER/mcl_hunger/init.lua

@@ -267,17 +267,6 @@ minetest.register_globalstep(function(dtime)
 				end
 			end
 
-			local controls = player:get_player_control()
-			-- Determine if the player is moving
-			if controls.up or controls.down or controls.left or controls.right then
-				-- TODO: Add exhaustion for moving in water
-			end
-			-- Jumping
-			-- FIXME: This is quite hacky and doesn't check if the player is actually jumping
-			if controls.jump then
-				mcl_hunger.exhaust(name, mcl_hunger.EXHAUST_JUMP)
-			end
-
 		end
 		end
 	end