Auto merge of #109525 - bzEq:aix-bootstrap-no-rpath, r=Mark-Simulacrum

Rpath is not supported on AIX

Both `-Wl,-rapth` and `-Wl,-z,origin` are not supported on AIX.

AIX linker is documented in https://www.ibm.com/docs/en/aix/7.1?topic=l-ld-command.

Author: bors