Remove account-wide nonce

Now that we have per-message nonces we can remove the account-wide one.

src/discord-util.c

@@ -120,7 +120,6 @@ void free_discord_data(discord_data *dd)
   g_slist_free_full(dd->servers, (GDestroyNotify)free_server_info);
 
   free_gw_data(dd->gateway);
-  g_free(dd->nonce);
   g_free(dd->token);
   g_free(dd->uname);
   g_free(dd->session_id);

src/discord.c

@@ -138,10 +138,6 @@ static void discord_login(account_t *acc)
   dd->keepalive_interval = DEFAULT_KEEPALIVE_INTERVAL;
   ic->proto_data = dd;
 
-  guchar nonce_bytes[16];
-  random_bytes(nonce_bytes, sizeof(nonce_bytes));
-  dd->nonce = g_base64_encode(nonce_bytes, sizeof(nonce_bytes));
-
   discord_do_login(ic);
 }
 

src/discord.h

@@ -58,7 +58,6 @@ typedef struct _discord_data {
   char       *id;
   char       *session_id;
   char       *uname;
-  char       *nonce;
   gw_data    *gateway;
   GSList     *servers;
   GSList     *pchannels;