change stable to stretch, makes more sense

[automated-distro-installer] / fai / config / files / etc / apt / sources.list.d / testing.list / STABLE_FREE

diff --git a/fai/config/files/etc/apt/sources.list.d/testing.list/STABLE_FREE b/fai/config/files/etc/apt/sources.list.d/testing.list/STABLE_FREE
deleted file mode 120000 (symlink)
index 586e320..0000000
--- a/fai/config/files/etc/apt/sources.list.d/testing.list/STABLE_FREE
+++ /dev/null
@@ -1 +0,0 @@
-TESTING_FREE
\ No newline at end of file