Revert "add doc to ghc wrapper"
This reverts commit 93aabab7605c21f5962df2dffa7fee9ac17ba848.
This reverts commit e9156086187b09970e5cdb5178450c73ae59ecd6.
Based on change in master at d1bd0fbfcc0ee6b0fcaf662cca5ee4ba8932f141
opened in https://github.com/NixOS/nixpkgs/pull/77442
