Remove remove_absolute_paths argument

This commit removes the `remove_absolute_paths` argument from
`run_header_abi_dumper` because all usages pass `True`.

Test: ./tests/test.py
Test: ./tests/gen_all.py
Change-Id: Ibf5e7ff72d0c2c76ed3db1d8d272de1d3886c2c4
4 files changed