coreutils: move to pkgs/by-name (#545999)

pkgs/top-level/all-packages.nix

@@ -1845,12 +1845,11 @@ with pkgs;
 
   comet-gog_heroic = callPackage ../by-name/co/comet-gog/package.nix { comet-gog_kind = "heroic"; };
 
-  coreutils = callPackage ../tools/misc/coreutils { };
-
-  # The coreutils above are built with dependencies from
-  # bootstrapping. We cannot override it here, because that pulls in
-  # openssl from the previous stage as well.
-  coreutils-full = callPackage ../tools/misc/coreutils { minimal = false; };
+  # The `coreutils` package (in pkgs/by-name) is built with dependencies from
+  # bootstrapping. We cannot override it for `coreutils-full`, because that
+  # pulls in openssl from the previous stage as well.
+  # `coreutils-prefixed` does not use openssl, though, so it can be overridden.
+  coreutils-full = callPackage ../by-name/co/coreutils/package.nix { minimal = false; };
   coreutils-prefixed = coreutils.override {
     withPrefix = true;
     singleBinary = false;