fix urlMain name for nnRu

sherlock/resources/data.json

@@ -2568,7 +2568,7 @@
   "nnRU": {
     "errorType": "status_code",
     "url": "https://{}.www.nn.ru/",
-    "urlMain": "https://https://www.nn.ru/",
+    "urlMain": "https://www.nn.ru/",
     "username_claimed": "blue",
     "username_unclaimed": "noonewouldeverusethis7"
   },

sites.md

@@ -332,7 +332,7 @@
 1. [moikrug](https://moikrug.ru/)
 1. [mstdn.io](https://mstdn.io/)
 1. [nairaland.com](https://www.nairaland.com/)
-1. [nnRU](https://https://www.nn.ru/)
+1. [nnRU](https://www.nn.ru/)
 1. [note](https://note.com/)
 1. [npm](https://www.npmjs.com/)
 1. [opennet](https://www.opennet.ru/)