remove contrail-test-ci from manifest

Closes-Bug: #1777557
Change-Id: Ie2a5e4bbc4ee5388c3925651bbb3e91bc22b28dc

default.xml

@@ -40,7 +40,6 @@
 <!-- contrail-specs repository contains per-branch directories, use master revision explicitly -->
 <project name="contrail-specs" remote="github" revision="master" path="contrail-specs" />
 <project name="contrail-test" remote="github" path="third_party/contrail-test" />
-<project name="contrail-test-ci" remote="github" path="tools/contrail-test-ci"/>
 
 </manifest>