Fix author's email address (LinusU#12)

Fixes typo in e-mail address introduced in LinusU#11

Author: jozefizso

package.json

@@ -8,7 +8,7 @@
     "Linus Unnebäck <linus@folkdatorn.se>",
     "Davide Liessi <davide.liessi@gmail.com>",
     "Joshua Warner <joshuawarner32@gmail.com>",
-    "Jozef Izso <jozef.izso@@gmail.com>"
+    "Jozef Izso <jozef.izso@gmail.com>"
   ],
   "devDependencies": {
     "fs-temp": "^1.1.1",