[INTERNAL] ui5Framework: Don't log info when no libs are found

This might especially happen when the root project does not use
specVersion 2.0 and defines framework libraries.
The info log might then be confusing.

Author: matz3

lib/translators/ui5Framework.js

@@ -151,14 +151,14 @@ module.exports = {
 			version = tree.framework.version;
 		}
 
-		log.info(`Using ${frameworkName} version: ${version}`);
-
 		const referencedLibraries = utils.getFrameworkLibrariesFromTree(tree);
 		if (!referencedLibraries.length) {
 			log.verbose(`No ${frameworkName} libraries referenced in project ${tree.id} or its dependencies`);
 			return null;
 		}
 
+		log.info(`Using ${frameworkName} version: ${version}`);
+
 		let resolver;
 		if (frameworkName === "OpenUI5") {
 			const Openui5Resolver = require("../ui5Framework/Openui5Resolver");