message: udpate compilation documentation
diff: @@ -20,6 +20,5 @@ CMake options to note (all have sensible defaults):
  - `CMAKE_INSTALL_PREFIX` will be the root directory where everything gets installed.
  - `BUILD_JOBS` sets the number given to `make -j` for parallel builds.
  - `BUILD_EMBREE_FROM_SOURCE` set to OFF will download a pre-built version of Embree.
  -- `BUILD_EMBREE_VERSION` determines which verison of Embree to pull down.
  - `BUILD_OIDN_FROM_SOURCE` set to OFF will download a pre-built version of OpenImageDenoise.
  - `BUILD_OIDN_VERSION` determines which verison of OpenImageDenoise to pull down.
  