Remove powershell build script

Author: bhollis

buildWindows.ps1

@@ -11,7 +11,6 @@
   "type": "module",
   "scripts": {
     "start": "./build.sh",
-    "startWindows": "Powershell.exe -File ./buildWindows.ps1",
     "lint": "eslint src",
     "watch": "npm-watch",
     "rollup": "rollup",