chore: Replace ts-prune with knip (#2595)

- Closes: #2593

src/scss/folder.scss

@@ -1,13 +0,0 @@
-:host {
-  width: 100%;
-  height: 100%;
-  display: block;
-}
-
-advanced-camera-card-surround-basic {
-  // The folder will grow indefinitely in the `unconstrained` aspect ratio
-  // modes, the surround height needs to be limited to something reasonable in
-  // order for the media filter to still display somewhere the user can
-  // easily/continually access. See similar: gallery.scss.
-  max-height: 110dvh;
-}

src/scss/hearts.scss

@@ -1,36 +0,0 @@
-.heart {
-  position: absolute;
-
-  left: var(--start-x);
-  top: var(--start-y);
-
-  font-size: var(--size, 1em);
-  color: hsl(var(--hue, 340), var(--saturation, 80%), var(--lightness, 55%));
-
-  user-select: none;
-  pointer-events: none;
-
-  will-change: transform;
-  animation: pulse var(--pulse-duration) ease-in-out infinite;
-  animation-delay: var(--pulse-delay);
-}
-
-@keyframes pulse {
-  0% {
-    transform: scale(0);
-    opacity: 0;
-  }
-  15% {
-    opacity: var(--max-opacity, 1);
-  }
-  50% {
-    transform: scale(1.3);
-  }
-  85% {
-    opacity: var(--max-opacity, 1);
-  }
-  100% {
-    transform: scale(0);
-    opacity: 0;
-  }
-}

src/scss/snow.scss

@@ -1,48 +0,0 @@
-.snowflake {
-  position: absolute;
-
-  left: var(--start-x);
-
-  color: white;
-
-  user-select: none;
-  pointer-events: none;
-
-  will-change: transform;
-  animation: fall var(--fall-duration) linear infinite;
-  animation-delay: var(--fall-delay);
-}
-
-@keyframes fall {
-  0% {
-    // Start above the card.
-    top: -2em;
-
-    transform: translateX(0);
-
-    opacity: var(--max-opacity, 1);
-  }
-  25% {
-    top: 25%;
-    transform: translateX(calc(var(--end-x) - var(--start-x) + 8px));
-  }
-  50% {
-    top: 50%;
-    transform: translateX(calc(var(--end-x) - var(--start-x) - 10px));
-  }
-  75% {
-    top: 75%;
-    transform: translateX(calc(var(--end-x) - var(--start-x) + 20px));
-  }
-  90% {
-    opacity: var(--max-opacity, 1);
-  }
-  100% {
-    // 100% ensures snowflakes fall through the entire card height
-    top: 100%;
-
-    transform: translateX(calc(var(--end-x) - var(--start-x)));
-
-    opacity: 0;
-  }
-}