qa: remove .teuthology_branch file

This was originally added to help support the py2 -> py3 conversion.
That's long since complete so we should be able to just remove this file
now.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
(cherry picked from commit 81430de9b70be16a439bf2445f3345b83035a861)

diff --git a/qa/.teuthology_branch b/qa/.teuthology_branch
deleted file mode 100644 (file)
index 1f7391f..0000000
--- a/qa/.teuthology_branch
+++ /dev/null
@@ -1 +0,0 @@
-master