VOL-2662 Remove unnecessary and broken xmllint command

Change-Id: Ia5749c40984138ddafb6dd09c386c32ee05b6771
diff --git a/jjb/pipeline/voltha-physical-build-and-tests.groovy b/jjb/pipeline/voltha-physical-build-and-tests.groovy
index 5fe2922..ffb45b6 100644
--- a/jjb/pipeline/voltha-physical-build-and-tests.groovy
+++ b/jjb/pipeline/voltha-physical-build-and-tests.groovy
@@ -95,8 +95,7 @@
       steps {
         sh returnStdout: false, script: """
         cd voltha
-        PROJECT_PATH=\$(xmllint --xpath "string(//project[@name=\\\"${gerritProject}\\\"]/@path)" .repo/manifest.xml)
-        repo download "\$PROJECT_PATH" "${gerritChangeNumber}/${gerritPatchsetNumber}"
+        repo download "${gerritProject}" "${gerritChangeNumber}/${gerritPatchsetNumber}"
         """
       }
     }