fix css error

src/app/components/test-suite/assessments/text-legibility-assessment/text-legibility-assessment.component.css

@@ -10,7 +10,6 @@
     display: none;
 }
 
- */
 model-viewer[ar-status="session-started"]:not([ar-tracking="tracking"]) .ar-prompt {
     display: block;
 }