Revert "Add the default prelink.map."

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

This reverts commit 0f4305e4d0f602a85f9db7cef021d13a752d4ea8.
Merge pull request #67 from vicamo/revert-bug-811671

Revert "Add the default prelink.map."