simplify

packages/svelte/src/internal/client/runtime.js

@@ -521,10 +521,7 @@ export function get(signal) {
 						skipped_deps++;
 					} else if (new_deps === null) {
 						new_deps = [signal];
-					} else {
-						// Normally we can push duplicated dependencies to `new_deps`, but if we're inside
-						// an unowned derived because skip_reaction is true, then we need to ensure that
-						// we don't have duplicates
+					} else if (!new_deps.includes(signal)) {
 						new_deps.push(signal);
 					}
 				}