* chore: Update flux to 0.67
* chore: Builds against 0.68 flux
* chore: Builds against 0.80.0
* chore: Builds against 0.90.0
* chore: Everything builds on latest flux
* chore: goimports fixed
* chore: fix tests locally
* chore: fix CI dockerfiles
* chore: clean up some unused code
* chore: remove flux repl and Spec in flux query json
* chore: port flux end to end tests from 2.x
* chore: fix up goimports
* chore: remove 32 bit build support
The Makefile has not been used by the project since before 1.0 and is
not maintained. Removing it so it doesn't send the wrong signal to
potential developers.