Revert "SWIG: do not list SWIG library files in dependencies files"

This reverts commit 439bdeb7aa661f4b4d480b723a2abf006d4ca198.
SWIG: do not bundle dependency files with tarballs

- dependency files include files external to tarball (e.g. other LAL library
  headers) which will not be in the same location when tarball is built
- no longer any safeguard against library headers being patched without SWIG
  source being regenerated, instead left to packager to ensure SWIG sources
  are rebuilt if needed (unlikely to be the case for LALSuite anyway)
SWIG: exclude -L/usr/lib and -L/usr/lib64 from Octave/Python linker flags

- can result in unintentional linking against system LAL libraries