steamPackages.steam-fhsenv-without-steam: drop broken alias

Without the change `steamPackages.steam-fhsenv-without-steam` refers
to already deleted top-level attribute and fails:

    $ nix build --no-link -f. steamPackages.steam-fhsenv-without-steam
    error:
       … in the left operand of the update (//) operator
         at lib/derivations.nix:253:9:
          252|     in
          253|     drv // mapAttrs (_: lib.warn msg) drvToWrap;
             |         ^
          254| }

       error: undefined variable 'steam-fhsenv-without-steam'
       at pkgs/top-level/aliases.nix:1913:161:
         1912|     steam-fhsenv-small = lib.warnOnInstantiate "`steamPackages.steam-fhsenv-small` has been moved to top level as `steam`; there is no longer a -small variant" steam;
         1913|     steam-fhsenv-without-steam = lib.warnOnInstantiate "`steamPackages.steam-fhsenv-without-steam` has been moved to top level as `steam-fhsenv-without-steam`" steam-fhsenv-without-steam;
             |                                                                                                                                                                 ^
         1914|     steam-runtime = throw "`steamPackages.steam-runtime` has been removed, as it's no longer supported or necessary";

0 files changed, 0 insertions, 0 deletions