Running `west zephyr-export` creates an entry in the CMake User package
registry.
During this process, a temporary file `current_path.txt` is created.
This commit ensure the file is removed when no longer needed.
Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
Fixes: #27375
This is a cleanup of the Zephyr CMake package export.
The code has been simplified so that the export now happens through a
CMake script. This avoids several generated CMake build files compared
to previous export mode, and thus removes the need for a CMake pristine
script.
A benefit of this cleanup is that it also fixes#27375.
Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
Torsten Rasmussen