Remove unnecessary css

Author: EugeneChoi4

compiler/apps/playground/components/AccordionWindow.tsx

@@ -91,7 +91,7 @@ function AccordionWindowItem({
             onClick={toggleTabs}
             className={`flex-grow-0 w-5 transition-colors duration-150 ease-in ${
               hasChanged ? 'font-bold' : 'font-light'
-            } text-secondary rounded-full text-secondary hover:text-link`}>
+            } text-secondary hover:text-link`}>
             {displayName}
           </button>
         </div>