Updated git submodules

Project: optf/has master e73422283d5075d038a4ac95b97d8f089431e5ff

Merge "Docker dir - removed unused conf file"

Docker dir - removed unused conf file

Removed file not needed for docker images.
(conductor.conf).

Also, added a remove-images.sh to remove images
if needed.

Issue-ID: OPTFRA-123
Change-Id: I7494a47da268a229d3d6730eb23fd5a5deb27653
Signed-off-by: Ikram Ikramullah <ikram@research.att.com>

diff --git a/docs/submodules/optf/has.git b/docs/submodules/optf/has.git
index 13b79a8..e734222 160000 (submodule)
--- a/docs/submodules/optf/has.git
+++ b/docs/submodules/optf/has.git
@@ -1 +1 @@
-Subproject commit 13b79a8318b767c55109f5ab5d2b8454ec03f7b6
+Subproject commit e73422283d5075d038a4ac95b97d8f089431e5ff