Disc space low on darwin 12 and 14 builders

[Ryan Schmidt]

On Mar 30, 2019, at 12:07, Chris Jones wrote:

> Could someone clear out a bit the osx 10.8 and 10.10 builder discs ? I am seeing a number of failures on these due to disc space issues. 10.7 is also probably low...

I've cleaned up a little bit, but it's going to continue to be a problem until we deal with https://trac.macports.org/ticket/57464