Update dmg-release.yml (#1296)

Summary:
The second publish job actually works, so let's remove the first one.
Pull Request resolved: https://github.com/facebook/flipper/pull/1296

Test Plan: https://github.com/facebook/flipper/runs/806859866?check_suite_focus=true

Reviewed By: jknoxville

Differential Revision: D22257369

Pulled By: passy

fbshipit-source-id: 72acc2e8ee10ad4514e315d57f4fa44656fce4e3

.github/workflows/dmg-release.yml

@@ -32,26 +32,6 @@ jobs:
     runs-on: ubuntu-latest
     needs: build
 
-    steps:
-    - name: Download
-      uses: actions/download-artifact@v1
-      with:
-        name: 'Flipper-mac.dmg'
-        path: 'Flipper-mac.dmg'
-    - run: dd if=/dev/zero bs=1024k count=1024 of=1g.dmg
-    - run: dd if=/dev/zero bs=1024k count=10240 of=10g.dmg
-    - run: ls -la Flipper-mac.dmg
-    - name: Publish
-      uses: skx/github-action-publish-binaries@master
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        args: '*.dmg'
-
-  publish2:
-    runs-on: ubuntu-latest
-    needs: build
-
     steps:
     - name: Download
       uses: actions/download-artifact@v1