Revert "Added subdir-objects option to automake"
Revert "Added subdir-objects option to automake"

This is causing build failures when running "make clean" twice. Keep
the autoreconf warning for now.

This reverts commit 97609bb6dc9d2522ff589da7f27c19a4273ebb48.

fzago-cray/liblustre,fzago-cray/liblustre