Remove prettier test file

test-prettier.js

@@ -1,10 +0,0 @@
-const test = { a: 1, b: 2, c: 3 };
-
-function badFormatting() {
-  console.log('This is poorly formatted');
-  return {
-    result: 'test',
-  };
-}
-
-export default badFormatting;