remove unused argument

src/generators/nodes/EachBlock.ts

@@ -296,7 +296,7 @@ export default class EachBlock extends Node {
 		block.builders.update.addBlock(deindent`
 			var ${each_block_value} = ${snippet};
 
-			${blocks} = @updateKeyedEach(${blocks}, #component, ${key}, changed, "${this.key}", ${dynamic}, ${each_block_value}, ${lookup}, ${updateMountNode}, ${String(this.block.hasOutroMethod)}, ${create_each_block}, "${mountOrIntro}", function(#i) {
+			${blocks} = @updateKeyedEach(${blocks}, #component, changed, "${this.key}", ${dynamic}, ${each_block_value}, ${lookup}, ${updateMountNode}, ${String(this.block.hasOutroMethod)}, ${create_each_block}, "${mountOrIntro}", function(#i) {
 				return @assign({}, state, {
 					${this.contextProps.join(',\n')}
 				});

src/shared/keyed-each.js

@@ -17,7 +17,7 @@ export function outroAndDestroyIteration(iteration, lookup) {
 	});
 }
 
-export function updateKeyedEach(blocks, component, key, changed, key_prop, dynamic, list, lookup, node, has_outro, create_each_block, intro_method, get_context) {
+export function updateKeyedEach(blocks, component, changed, key_prop, dynamic, list, lookup, node, has_outro, create_each_block, intro_method, get_context) {
 	var old_indexes = {};
 	var i = 0;