address Half-Shot's comments

src/store.ts

@@ -147,9 +147,7 @@ export class DiscordStore {
       },
     ).then( (rows) => {
       if (rows !== undefined) {
-        const ret = [];
-        rows.forEach((row) => ret.push(row.discord_id));
-        return ret;
+        return rows.map((row) => row.discord_id);
       } else {
         return [];
       }

tools/addbot.ts

@@ -21,7 +21,6 @@ const perms = flags.READ_MESSAGES |
   flags.EMBED_LINKS |
   flags.ATTACH_FILES |
   flags.READ_MESSAGE_HISTORY |
-  flags.MANAGE_MESSAGES |
   flags.MANAGE_WEBHOOKS;
 
 const url = `https://discordapp.com/api/oauth2/authorize?client_id=${clientId}&scope=bot&permissions=${perms}`;