Revert "[bug 811671] pull apriori, elfcopy and elfutils to enable prelinking."

Not blocking basecamp, revert and re-pull tomorrow.
See https://bugzilla.mozilla.org/show_bug.cgi?id=811671#c60

This reverts commit d454f02325eda8a731796568ad280bdb3255e5e6.
Merge pull request #44 from vicamo/revert-bug-811671

Revert "[bug 811671] pull apriori, elfcopy and elfutils to enable prelin...