Adjust relative paths for CSIT files

Remove leading test/csit/ from all relative paths to
accomodate the move into integration/csit repo.

Change-Id: Id9482b46df839f5eba28135e9f987a3eda1d7d94
Issue-ID: INT-671
Signed-off-by: Gary Wu <gary.i.wu@huawei.com>
diff --git a/scripts/externalapi-nbi/delete_nbi_containers.sh b/scripts/externalapi-nbi/delete_nbi_containers.sh
index 76be328..bc0d8b0 100644
--- a/scripts/externalapi-nbi/delete_nbi_containers.sh
+++ b/scripts/externalapi-nbi/delete_nbi_containers.sh
@@ -14,7 +14,7 @@
 # limitations under the License.
 # ========================================================================
 
-echo "This is ${WORKSPACE}/test/csit/scripts/externalapi-nbi/delete_nbi_containers.sh"
+echo "This is ${WORKSPACE}/scripts/externalapi-nbi/delete_nbi_containers.sh"
 
 # Check if docker-compose file exists
 if [ ! -f "$WORKSPACE/externalapi-nbi/docker-compose.yml" ]; then