Removed "webpack" target as it does nothing.

package.json

@@ -4,12 +4,11 @@
 	"description": "A real-time tool for generating sequence diagrams",
 	"main": "index.html",
 	"scripts": {
-		"webpack": "echo doNothing",
 		"start": "if-env NODE_ENV=production && npm run -s serve || npm run -s dev",
-		"build": "npm run webpack && preact build --clean --template src/index.html --no-prerender --service-worker false",
+		"build": "preact build --clean --template src/index.html --no-prerender --service-worker false",
 		"release": "gulp release",
 		"serve": "npm run release && preact serve --dir app",
-		"dev": "npm run webpack && preact watch --template src/index.html --no-prerender",
+		"dev": "preact watch --template src/index.html --no-prerender",
 		"lint": "eslint src",
 		"test": "jest ./",
 		"update-core": "yarn unlink vue-sequence sequence-parser && yarn add vue-sequence sequence-parser",