[Builds] Remove version-bump from 'updateRelease' workflow

With the new reusable workflow for automated version increments in
pull-requests it is not necessary anymore to bump versions in advance
during release preparation.
This now happens automatically as part of the PR verification and that
step can therefore be removed.

.github/workflows/updateRelease.yml

@@ -26,17 +26,6 @@ jobs:
           mvn -U -Pbuild-individual-bundles -ntp
           org.eclipse.tycho:tycho-versions-plugin:set-version -DnewVersion=${{ github.event.milestone.title }}.0-SNAPSHOT
           org.eclipse.tycho:tycho-versions-plugin:set-parent-version -DnewParentVersion=${{ github.event.milestone.title }}.0-SNAPSHOT
-    - name: Build and Bump Versions
-      uses: Wandalen/wretry.action@ffdd254f4eaf1562b8a2c66aeaa37f1ff2231179 # master
-      with:
-        attempt_delay: 120000
-        attempt_limit: 10
-        command: >-
-            mvn -U -Pbuild-individual-bundles -ntp
-            clean verify
-            -DskipTests
-            -Dcompare-version-with-baselines.skip=false
-            org.eclipse.tycho:tycho-versions-plugin:bump-versions -Dtycho.bump-versions.increment=100
     - name: Create Pull Request for Release ${{ github.event.milestone.title }}
       uses: peter-evans/create-pull-request@5e914681df9dc83aa4e4905692ca88beb2f9e91f # v7.0.5
       with: