Removed dependancy required for linux only

package.json

@@ -59,7 +59,6 @@
   },
   "devDependencies": {
     "chai": "^3.5.0",
-    "electron-installer-debian": "^0.3.0",
     "electron-installer-dmg": "^0.1.1",
     "electron-osx-sign": "^0.4.0-beta4",
     "electron-packager": "^7.1.0",