Remove 'secure trash empty' directive from osx.sh
Remove references to ~/.scrc
Add custom pyenv root var before init
Specify `link-dotfiles` as a .PHONY task
Stop using ruby version managers

Just stop.

I'm so sick of needing to solve that problem. 

From now on, interpreters are either an app dependency or a system package, not this weird middle ground.

brew install ruby. latest is greatest.