Removed Maven warning

Author: ericbn

activeweb-lessc/src/main/java/org/javalite/lessc/maven/CompileLesscFilesMojo.java

@@ -16,7 +16,7 @@
 public class CompileLesscFilesMojo extends AbstractMojo {
 
     /**
-     * @parameter expression="${project}"
+     * @parameter property="project"
      * @required
      */
     protected MavenProject project;