remove eslint file

packages/hackmd/.eslintrc.js

@@ -1,18 +0,0 @@
-module.exports = {
-  extends: [
-    'weseek/react',
-    'weseek/typescript',
-  ],
-  env: {
-  },
-  globals: {
-  },
-  settings: {
-    // resolve path aliases by eslint-import-resolver-typescript
-    'import/resolver': {
-      typescript: {},
-    },
-  },
-  rules: {
-  },
-};