Update build scripts

Author: wooorm

Diff for: package.json

@@ -27,7 +27,6 @@
   },
   "devDependencies": {
     "browserify": "^16.0.0",
-    "esmangle": "^1.0.0",
     "is-hidden": "^1.1.1",
     "not": "^0.1.0",
     "nyc": "^13.0.0",
@@ -36,14 +35,15 @@
     "remark-preset-wooorm": "^4.0.0",
     "retext": "^5.0.0",
     "tape": "^4.0.0",
+    "tinyify": "^2.4.3",
     "unist-util-remove-position": "^1.0.0",
     "unist-util-visit": "^1.1.3",
     "xo": "^0.23.0"
   },
   "scripts": {
     "format": "remark . -qfo && prettier --write \"**/*.js\" && xo --fix",
-    "build-bundle": "browserify index.js --bare -s retextSyntaxUrls > retext-syntax-urls.js",
-    "build-mangle": "esmangle retext-syntax-urls.js > retext-syntax-urls.min.js",
+    "build-bundle": "browserify . -s retextSyntaxUrls > retext-syntax-urls.js",
+    "build-mangle": "browserify . -s retextSyntaxUrls -p tinyify > retext-syntax-urls.min.js",
     "build": "npm run build-bundle && npm run build-mangle",
     "test-api": "node test",
     "test-coverage": "nyc --reporter lcov tape test/index.js",