fix: Remove old Drizzle schema

src/lib/server/db/schema.ts

@@ -1,18 +0,0 @@
-import { pgTable, uuid, text, timestamp } from 'drizzle-orm/pg-core';
-import { sql } from 'drizzle-orm';
-
-export const users = pgTable('users', {
-  id: uuid('id').primaryKey(),
-  username: text('username'),
-  displayName: text('display_name'),
-  salt: text('salt'),
-  hash: text('hash'),
-});
-
-export const messages = pgTable('messages', {
-  id: uuid('id').primaryKey(),
-  user_id: uuid('user_id').references(() => users.id),
-  channel_id: uuid('channel_id'),
-  message: text('message'),
-  timestamp: timestamp('timestamp', { mode: 'date' }).default(sql`now()`),
-});