Remove some unused CSS classes (#35012)

app/javascript/styles/mastodon-light/diff.scss

@@ -283,36 +283,6 @@
   }
 }
 
-.activity-stream {
-  border: 1px solid var(--background-border-color);
-
-  &--under-tabs {
-    border-top: 0;
-  }
-
-  .entry {
-    background: $white;
-
-    .detailed-status.light,
-    .more.light,
-    .status.light {
-      border-bottom-color: lighten($ui-base-color, 8%);
-    }
-  }
-
-  .status.light {
-    .status__content {
-      color: $primary-text-color;
-    }
-
-    .display-name {
-      strong {
-        color: $primary-text-color;
-      }
-    }
-  }
-}
-
 .accounts-grid {
   .account-grid-card {
     .controls {
@@ -416,13 +386,6 @@
   }
 }
 
-.mute-modal select {
-  border: 1px solid var(--background-border-color);
-  background: $simple-background-color
-    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14.933 18.467' height='19.698' width='15.929'><path d='M3.467 14.967l-3.393-3.5H14.86l-3.392 3.5c-1.866 1.925-3.666 3.5-4 3.5-.335 0-2.135-1.575-4-3.5zm.266-11.234L7.467 0 11.2 3.733l3.733 3.734H0l3.733-3.734z' fill='#{hex-color(lighten($ui-base-color, 8%))}'/></svg>")
-    no-repeat right 8px center / auto 16px;
-}
-
 .status__wrapper-direct {
   background-color: rgba($ui-highlight-color, 0.1);
 

app/javascript/styles/mastodon/admin.scss

@@ -585,16 +585,6 @@ body,
 .account-status {
   display: flex;
   margin-bottom: 10px;
-
-  .activity-stream {
-    flex: 2 0 0;
-    margin-inline-end: 20px;
-    max-width: calc(100% - 60px);
-
-    .entry {
-      border-radius: 4px;
-    }
-  }
 }
 
 .report-status__actions,

app/javascript/styles/mastodon/components.scss

@@ -1458,43 +1458,6 @@ body > [data-popper-placement] {
     margin-top: 16px;
   }
 
-  &.light {
-    .status__relative-time,
-    .status__visibility-icon {
-      color: $light-text-color;
-    }
-
-    .status__display-name {
-      color: $inverted-text-color;
-    }
-
-    .display-name {
-      color: $light-text-color;
-
-      strong {
-        color: $inverted-text-color;
-      }
-    }
-
-    .status__content {
-      color: $inverted-text-color;
-
-      a {
-        color: $highlight-text-color;
-      }
-
-      &__spoiler-link {
-        color: $primary-text-color;
-        background: $ui-primary-color;
-
-        &:hover,
-        &:focus {
-          background: lighten($ui-primary-color, 8%);
-        }
-      }
-    }
-  }
-
   &--is-quote {
     border: none;
   }
@@ -6710,24 +6673,6 @@ a.status-card {
       }
     }
   }
-
-  select {
-    appearance: none;
-    box-sizing: border-box;
-    font-size: 14px;
-    color: $inverted-text-color;
-    display: inline-block;
-    width: auto;
-    outline: 0;
-    font-family: inherit;
-    background: $simple-background-color
-      url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14.933 18.467' height='19.698' width='15.929'><path d='M3.467 14.967l-3.393-3.5H14.86l-3.392 3.5c-1.866 1.925-3.666 3.5-4 3.5-.335 0-2.135-1.575-4-3.5zm.266-11.234L7.467 0 11.2 3.733l3.733 3.734H0l3.733-3.734z' fill='#{hex-color(darken($simple-background-color, 14%))}'/></svg>")
-      no-repeat right 8px center / auto 16px;
-    border: 1px solid darken($simple-background-color, 14%);
-    border-radius: 4px;
-    padding: 6px 10px;
-    padding-inline-end: 30px;
-  }
 }
 
 .report-modal__target {