CCA: Fix selected setting option text highlight

Bug: 1123750
Test: Manually
Change-Id: I452a73ae553ad76c7b0ab5ad551edc6e6288eba0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2438080
Commit-Queue: Inker Kuo <inker@chromium.org>
Commit-Queue: Shik Chen <shik@chromium.org>
Auto-Submit: Inker Kuo <inker@chromium.org>
Reviewed-by: Shik Chen <shik@chromium.org>
Cr-Commit-Position: refs/heads/master@{#812023}

chromeos/components/camera_app_ui/resources/css/main.css

@@ -1323,10 +1323,6 @@ body._10sec .description span[i18n-content=label_timer_10s],
   transition: border-width 100ms ease-in;
 }
 
-.menu-item input:checked + span {
-  color: var(--toggled-color);
-}
-
 body.tab-navigation button.menu-item:focus::after {
   left: 2px;
   right: 2px;