chore: remove bundled chai

Removes the chai bundle such that `chai.js` is now an entry point just
like `index.js`.

We're keeping it around for now since there may be users directly
importing the file. It was already re-exporting what exists in
`index.js`, so this shouldn't be a breaking change.

Author: 43081j

.gitignore

@@ -17,10 +17,6 @@ node_modules
 npm-debug.log
 
 coverage
-/chai.js
 
 test/auth/*
 !test/auth/.gitkeep
-
-/chai.js
-/chai.cjs

chai.js

@@ -0,0 +1 @@
+export * from './lib/chai.js';