multiple-outputs: remove old unused version

All its features are now included in stdenv through
build-support/setup-hooks/multiple-outputs.sh

pkgs/build-support/multiple-outputs.nix

@@ -1,85 +0,0 @@
-{ stdenv }:
-
-with stdenv.lib;
-
-{ outputs ? [ "out" ], setOutputConfigureFlags ? true, ... } @ args:
-
-stdenv.mkDerivation (args // {
-
-  #postPhases = [ "fixupOutputsPhase" ] ++ args.postPhases or [];
-
-  preHook =
-    if setOutputConfigureFlags then
-      optionalString (elem "man" outputs) ''
-        configureFlags="--mandir=$man/share/man --infodir=$man/share/info $configureFlags"
-      '' +
-      optionalString (elem "bin" outputs) ''
-        configureFlags="--bindir=$bin/bin --sbindir=$bin/sbin --mandir=$bin/share/man --infodir=$man/share/info $configureFlags"
-      '' +
-      optionalString (elem "lib" outputs) ''
-        configureFlags="--libdir=$lib/lib $configureFlags"
-      '' +
-      optionalString (elem "dev" outputs) ''
-        configureFlags="--includedir=$dev/include $configureFlags"
-        installFlags="pkgconfigdir=$dev/lib/pkgconfig m4datadir=$dev/share/aclocal aclocaldir=$dev/share/aclocal $installFlags"
-      ''
-    else null;
-
-  preFixup =
-    ''
-      runHook preFixupOutputs
-
-      if [ -n "$doc" ]; then
-        for i in share/doc share/gtk-doc; do
-          if [ -e $out/$i ]; then
-            mkdir -p $doc/$i
-            mv $out/$i/* $doc/$i/
-            rmdir $out/$i
-          fi
-        done
-        rmdir --ignore-fail-on-non-empty $out/share
-      fi
-
-      if [ -n "$dev" ]; then
-        mkdir -p "$dev/nix-support"
-        if [ -n "$propagatedBuildInputs" ]; then
-          echo "$propagatedBuildInputs" > "$dev/nix-support/propagated-build-inputs"
-          propagatedBuildInputs=
-        fi
-        echo "$out $lib $bin $propagatedNativeBuildInputs" > "$dev/nix-support/propagated-native-build-inputs"
-        propagatedNativeBuildInputs=
-      elif [ -n "$out" ]; then
-        propagatedNativeBuildInputs="$lib $propagatedNativeBuildsInputs"
-      fi
-
-      for i in $bin $lib $man $static; do
-        if [ -z "$dontStrip" ]; then
-          prefix="$i" stripDirs "lib lib64 libexec bin sbin" "''${stripDebugFlags:--S}"
-        fi
-        if [ "$havePatchELF" = 1 -a -z "$dontPatchELF" ]; then
-          prefix="$i" patchELF
-        fi
-        if [ -z "$dontPatchShebangs" ]; then
-          patchShebangs "$i"
-        fi
-
-        # Cut&paste...
-        if [ -z "$dontGzipMan" ]; then
-            GLOBIGNORE=.:..:*.gz:*.bz2
-            for f in $i/share/man/*/* $i/share/man/*/*/*; do
-                if [ -f $f ]; then
-                    if gzip -c $f > $f.gz; then
-                        rm $f
-                    else
-                        rm $f.gz
-                    fi
-                fi
-            done
-            unset GLOBIGNORE
-        fi
-      done
-
-      runHook postFixupOutputs
-    ''; # */
-
-})