Remove customize src_folder variables

There were some leftovers of variables used for pointing to the
project source code folder. This variables are not used anymore.

Change-Id: I355930f8ce6acbc31a1adca61741d7221dee196c
Signed-off-by: Victor Morales <victor.morales@intel.com>
Issue-ID: INT-367
diff --git a/bootstrap/vagrant-onap/lib/vfc b/bootstrap/vagrant-onap/lib/vfc
index 2b5407c..64f7df0 100755
--- a/bootstrap/vagrant-onap/lib/vfc
+++ b/bootstrap/vagrant-onap/lib/vfc
@@ -9,7 +9,7 @@
     tox_repos=("gvnfm/vnflcm/lcm" "gvnfm/vnfmgr/mgr" "gvnfm/vnfres/res" "nfvo/lcm" \
         "nfvo/driver/vnfm/gvnfm/gvnfmadapter" "nfvo/driver/vnfm/svnfm/zte/vmanager")
     for dirc in ${tox_repos[@]}; do
-        pushd $vfc_src_folder/$dirc
+        pushd ${src_folders[vfc]}/$dirc
         tox -e py27
         popd
     done
@@ -28,7 +28,7 @@
 
 # _build_vfc_image() - Build VFC  docker image
 function _build_vfc_image {
-    pushd $vfc_src_folder/$1/docker
+    pushd ${src_folders[vfc]}/$1/docker
     sed -i "s/^push_image/#push_image/g" build_image.sh
     sed -i 's|IMAGE_NAME="${DOCKER_REPOSITORY}/${ORG}/${PROJECT}/${IMAGE}"|IMAGE_NAME=${ORG}/${IMAGE}|g' build_image.sh
     ./build_image.sh
@@ -53,11 +53,9 @@
         build_nfvo_vnfm_gvnfmadapter_image
         # TODO(sshank): Add other VFC component docker image builds.
     else
-        pull_onap_image vfc/gvnfm/vnflcm/lcm
-        pull_onap_image vfc/gvnfm/vnfmgr/mgr
-        pull_onap_image vfc/gvnfm/vnfres/res
-        pull_onap_image vfc/nfvo/lcm
-        pull_onap_image vfc/nfvo/driver/vnfm/gvnfm/gvnfmadapter
+        for image in gvnfm/vnflcm/lcm gvnfm/vnfmgr/mgr gvnfm/vnfres/res nfvo/lcm nfvo/driver/vnfm/gvnfm/gvnfmadapter; do
+            pull_onap_image vfc/$image
+        done
     fi
 }