Revert "Make sure that local_dev.ini is writable"
Revert "Make sure that local_dev.ini is writable"

This reverts commit 591c973b3ec1df2c5294e5fdaea66bc66e21f9b7.

This breaks installing form non-writable media (think CD/DVD
installs).

fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb