Move functest docker job in functest dir

Change-Id: I454c327f3359688742b5d8c4299efee05d6494a2
Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/jjb/releng/functest-docker.yml b/jjb/functest/functest-docker.yml
similarity index 100%
rename from jjb/releng/functest-docker.yml
rename to jjb/functest/functest-docker.yml