chore: cleanup, remove leftover CSS code from Vite template

Author: pahund

src/App.css

@@ -16,29 +16,6 @@
   filter: drop-shadow(0 0 2em #ffffff);
 }
 
-@keyframes logo-spin {
-  from {
-    transform: rotate(0deg);
-  }
-  to {
-    transform: rotate(360deg);
-  }
-}
-
-@media (prefers-reduced-motion: no-preference) {
-  a:nth-of-type(2) .logo {
-    animation: logo-spin infinite 20s linear;
-  }
-}
-
-.card {
-  padding: 2em;
-}
-
-.read-the-docs {
-  color: #888;
-}
-
 .audio-player {
   margin-top: 2rem;
   padding: 0 1.5rem 1.5rem 1.5rem;