Remove duplicate key in bower.json

Author: bdukes

bower.json

@@ -32,7 +32,6 @@
     "numeral": "^1.5.3",
     "picturefill": "^3.0.2",
     "select2": "^4.0.3",
-    "Swiper": "swiper#^3.3.1",
     "system.js": "0.19.39",
     "urijs": "1.18.2",
     "tota11y": "0.1.6",