Revert "change configuration path to a more common place"
Revert "change configuration path to a more common place"

It is intended to have a manipulator config only in a staging environment,
and not in the production, thus the config_stage.yml location, not config.yml

This reverts commit 0a9867067f3316e3d8ecb626e870e53ef9724098.

pixelart/swiftmailer-manipulator-bundle