remove unused argument

src/runtime/internal/keyed_each.ts

@@ -56,7 +56,7 @@ export function update_keyed_each(old_blocks, dirty, get_key, dynamic, ctx, list
 
 	function insert(block) {
 		transition_in(block, 1);
-		block.m(node, next, lookup.has(block.key));
+		block.m(node, next);
 		lookup.set(block.key, block);
 		next = block.first;
 		n--;