sketch: fix nightly releases being marked as pre-releases

Remove the GitHub workflow step that was explicitly marking releases as pre-releases.

Co-Authored-By: sketch <hello@sketch.dev>
Change-ID: sf9e8db3a7bac9e0dk
diff --git a/.github/workflows/release-build.yml b/.github/workflows/release-build.yml
index d35e58f..bf5c22d 100644
--- a/.github/workflows/release-build.yml
+++ b/.github/workflows/release-build.yml
@@ -99,22 +99,7 @@
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Mark release as prerelease
-        if: steps.check_changes.outputs.has_changes == 'true'
-        uses: actions/github-script@v6
-        with:
-          script: |
-            const tag = process.env.TAG;
-            const [owner, repo] = process.env.GITHUB_REPOSITORY.split('/');
-            const release = await github.rest.repos.getReleaseByTag({ owner, repo, tag });
-            await github.rest.repos.updateRelease({
-              owner,
-              repo,
-              release_id: release.data.id,
-              prerelease: true
-            });
-        env:
-          TAG: ${{ steps.check_changes.outputs.tag }}
+
 
       - name: Clean up signing key
         if: always()