fix(content-search): fixed content search by title (#31969)

Author: dsolistorres

dotCMS/src/main/webapp/html/js/dotcms/dijit/form/ContentSelector.js

@@ -366,7 +366,6 @@ dojo.declare(
 
             var fieldVelocityVarName = field['fieldVelocityVarName'];
             var fieldContentlet = field['fieldContentlet'];
-            this.structureVelVar = field['fieldStructureVarName'];
             var value = '';
 
             var type = field['fieldFieldType'];