chore: remove bkup file

eslint.config.mjs.bkup

@@ -1,26 +0,0 @@
-import globals from 'globals'
-import pluginJs from '@eslint/js'
-import tseslint from 'typescript-eslint'
-import astroSwGlobals from '@ayco/astro-sw/globals'
-
-/** @type {import('eslint').Linter.Config[]} */
-export default [
-  { files: ['**/*.{js,mjs,cjs,ts}'] },
-  {
-    languageOptions: {
-      globals: { ...globals.browser, ...globals.node, ...astroSwGlobals },
-    },
-  },
-  pluginJs.configs.recommended,
-  ...tseslint.configs.recommended,
-  {
-    ignores: [
-      'dist/*',
-      '.output/*',
-      '.astro/*',
-      '**/node_modules/*',
-      '**/coverage/*',
-      '**/env.d.ts',
-    ],
-  },
-]