Remove redundant text style

lib/app.dart

@@ -220,10 +220,6 @@ TextTheme _buildTextTheme(Color textColor) {
       fontSize: 14,
       fontWeight: FontWeight.w500,
     ),
-    overline: TextStyle(
-      color: textColor.withOpacity(0.8),
-      fontSize: 12,
-    ),
   );
 }
 

lib/ui/payment/child_subscription_widget.dart

@@ -109,7 +109,6 @@ class ChildSubscriptionWidget extends StatelessWidget {
                       text: " for help",
                     ),
                   ],
-                  style: Theme.of(context).textTheme.overline,
                 ),
               ),
             ),