No v in npm version

src/freedombone-utils-nodejs

     exit 1
 fi
 npm_version=\$(npm -v)
-if [[ "\$npm_version" != "v${NPM_VERSION}" ]]; then
+if [[ "\$npm_version" != "${NPM_VERSION}" ]]; then
     echo $"npm version expected to be ${NPM_VERSION} but found \$npm_version"
     exit 2
 fi