[gimp-macos-build] Remove old package generation commands

[Alex Samorukov <asamorukov src gnome org>]

commit bf49a2bb6c65a3fe55283ad1fa9eac4d22a54547
Author: Oleksii Samorukov <oleksii_samorukov mckinsey com>
Date:   Mon Nov 4 13:07:24 2019 +0100

    Remove old package generation commands

 package/build.sh | 3 ---
 1 file changed, 3 deletions(-)
---
diff --git a/package/build.sh b/package/build.sh
index 78cbf0e..adf946b 100755
--- a/package/build.sh
+++ b/package/build.sh
@@ -145,9 +145,6 @@ cd create-dmg
 rm -f /tmp/artifacts/rw.*.dmg
 cd ..
 
-hdiutil create /tmp/tmp.dmg -ov -volname "GIMP 2.10 Install" -fs HFS+ -srcfolder "$PACKAGE_DIR/"
-hdiutil convert /tmp/tmp.dmg -format UDBZ -o "/tmp/artifacts/${DMGNAME}"
-
 if [ -n "${codesign_subject}" ]
 then
   echo "Signing DMG"