Remove unnecessary transform

https://github.com/substack/insert-module-globals/pull/46

package.json

@@ -40,7 +40,6 @@
     "node-uuid": "^1.4.3",
     "raf": "^3.1.0",
     "showdown": "^1.2.1",
-    "strip-bomify": "^0.1.0",
     "uglify-js": "^2.4.14",
     "unorm": "^1.3.3",
     "wgxpath": "^1.0.0"
@@ -77,7 +76,6 @@
   "homepage": "https://github.com/hypothesis/h",
   "browserify": {
     "transform": [
-      "strip-bomify",
       "coffeeify",
       "browserify-ngannotate",
       "browserify-shim"