chore: drop deprecated seeds #be

backend/seeds/images.js

-const fs = require("fs").promises;
-
-/**
- * @param { import("knex").Knex } knex
- * @returns { Promise<void> }
- */
-exports.seed = async function (knex) {
-  await knex("images").del();
-  const files = await fs.readdir("seeds/images");
-  for (const file of files) {
-    const path = `seeds/images/${file}`;
-    const data = await fs.readFile(path);
-    await knex("images").insert([
-      {
-        filename: file,
-        md5: "", // TODO
-        image: data.toString("base64"),
-      },
-    ]);
-  }
-};