Prepare for the 5.0.0 release
Revert "Merge branch 'gh925_ffa_sort'"

This reverts commit 99676a6663eef9913ce51a60fd4adb44bb27f366, reversing
changes made to 285bd0a07d6f4be87afaf30528895fa6a781b48a.

Conflicts:
	examples/benchmarks/sort_ffa.pir
	src/pmc/fixedfloatarray.pmc