PySide Build: Remove patchelf for Qfp binaries

- patchelf was used only for setting RPATH
- This approach uses CMake for setting RPATH instead of using a
  post processing hack like patchelf
- Additionally, CMAKE_INSTALL_RPATH_USE_LINK_PATH which was
  passed explicitly is removed
- For shiboken6 generator, removal of patchelf dependency leads to
  having local paths in the binary because of appending local path to
  linked library files when installed. With this patch, similar to
  Windows, for Unix platforms shiboken6 generator used for building
  PySide6 sets the path to the dependencies using a shell script by
  appending to the `LD_LIBRARY_PATH` variable

Task-number: PYSIDE-2410
Change-Id: Ibee03ce7d8085a94b343664295b3ab93b76317c2
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

0 files changed, 0 insertions, 0 deletions