Always start linked dataset playback

assets/dataset_link.js

@@ -249,8 +249,6 @@
   }
 
   function maybeAutoplay(state) {
-    const reducedMotion = window.matchMedia("(prefers-reduced-motion: reduce)").matches;
-    if (reducedMotion) return;
     state.autoplayTimer = window.setTimeout(() => {
       if (activeState === state) {
         renderIndex(state, 0);