fix: Remove old Drizzle files

.env.example

@@ -1,2 +0,0 @@
-# Replace with your DB credentials!
-DATABASE_URL="postgres://user:password@localhost:5432/svchat"

drizzle.config.ts

@@ -1,14 +0,0 @@
-import { defineConfig } from 'drizzle-kit';
-if (!process.env.DATABASE_URL) throw new Error('DATABASE_URL is not set');
-
-export default defineConfig({
-  schema: './src/lib/server/db/schema.ts',
-
-  dbCredentials: {
-    url: process.env.DATABASE_URL,
-  },
-
-  verbose: true,
-  strict: true,
-  dialect: 'postgresql',
-});