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/plans/externalapi-nbi/healthcheck/teardown.sh b/plans/externalapi-nbi/healthcheck/teardown.sh
index 8392972..fcca23e 100644
--- a/plans/externalapi-nbi/healthcheck/teardown.sh
+++ b/plans/externalapi-nbi/healthcheck/teardown.sh
@@ -14,4 +14,4 @@
 # limitations under the License.
 # ========================================================================
 
-source ${WORKSPACE}/test/csit/scripts/externalapi-nbi/delete_nbi_containers.sh
\ No newline at end of file
+source ${WORKSPACE}/scripts/externalapi-nbi/delete_nbi_containers.sh
\ No newline at end of file