change name to the more sensical "patxu"

i18n/jb.json

@@ -1,5 +1,5 @@
 {
-    "PrivateBin": "sivnibot",
+    "PrivateBin": "sivnipax",
     "%s is a minimalist, open source online pastebin where the server has zero knowledge of pasted data. Data is encrypted/decrypted %sin the browser%s using 256 bits AES.": "%s is a minimalist, open source online pastebin where the server has zero knowledge of pasted data. Data is encrypted/decrypted %sin the browser%s using 256 bits AES.",
     "More information on the <a href=\"https://privatebin.info/\">project page</a>.": "More information on the <a href=\"https://privatebin.info/\">project page</a>.",
     "Because ignorance is bliss": "Because ignorance is bliss",