Revert "feat: list command"

This reverts commit 3cd80e646f.

src/Commands/list.ts

@@ -1,41 +0,0 @@
-import { Message, codeBlock } from 'discord.js'
-import { Command, LearnData } from '../modules'
-
-export default class extends Command {
-  public constructor() {
-    super('리스트')
-  }
-
-  public async execute(msg: Message<boolean>, args: string[]) {
-    const db = await msg.client.chatBot.db.getConnection()
-    const [rows] = await db.execute<LearnData[]>(
-      'SELECT * FROM learn WHERE user_id = ?;',
-      [msg.author.id],
-    )
-    const list: string[] = []
-
-    if (!rows) {
-      return await msg.channel.send(
-        '당신ㄴ은 단어를 가르쳐준 기억이 없ㅅ는데요.',
-      )
-    }
-
-    for (const data of rows) {
-      list.push(data.command)
-    }
-
-    await msg.channel.send({
-      embeds: [
-        {
-          title: '지식',
-          description: codeBlock(
-            'md',
-            list.map(item => `-  ${item}`).join('\n'),
-          ),
-          color: 0x0000ff,
-          timestamp: new Date().toISOString(),
-        },
-      ],
-    })
-  }
-}