Remove usage of macdeployqt in favor of CMake BundleUtilities. BundleUtilities properly finds all dependencies and adds them to the .app automatically. It also fixes rpath and install_name issues for any of the binaries or dependencies

[package]
name = "hwphysics"
version = "0.1.0"
authors = ["Hedgewars Project"]
edition = "2018"

[dependencies]
fpnum = { path = "../fpnum" }
integral-geometry = { path = "../integral-geometry" }
land2d = { path = "../land2d" }