Fix publish workflow (#263)

- drop unnecessary publish workflow for client and server
- remove unworkable steps in the main publishing workflow

## Types of changes
- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to change)
- [ ] Documentation update

## Checklist
- [x] I have read the [MCP
Documentation](https://modelcontextprotocol.io)
- [x] My code follows the repository's style guidelines
- [x] New and existing tests pass locally
- [ ] I have added appropriate error handling
- [ ] I have added or updated documentation as needed

Author: devcrocod

.github/workflows/gradle-publish.yml

@@ -66,70 +66,3 @@ jobs:
           JRELEASER_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           GPG_SECRET_KEY: ${{ secrets.GPG_SECRET_KEY }}
           SIGNING_PASSPHRASE: ${{ secrets.SIGNING_PASSPHRASE }}
-
-      - name: Query Central Portal for validation errors
-        if: failure()
-        shell: bash
-        env:
-          OSSRH_USERNAME: ${{ secrets.OSSRH_USERNAME }}
-          OSSRH_TOKEN: ${{ secrets.OSSRH_TOKEN }}
-        run: |
-          set -euo pipefail
-          
-          OUTPUT_PROPS="build/jreleaser/output.properties"
-          
-          if [[ ! -f "$OUTPUT_PROPS" ]]; then
-            echo "::error title=File Missing::The file '$OUTPUT_PROPS' does not exist."
-            exit 1
-          fi
-          
-          DEPLOY_ID=$(grep '^deploymentId=' "$OUTPUT_PROPS" | cut -d= -f2 || true)
-          if [[ -z "$DEPLOY_ID" ]]; then
-            echo "::error title=Missing Deployment ID::The 'deploymentId' key was not found in '$OUTPUT_PROPS'."
-            exit 1
-          fi
-          
-          echo "Portal deploymentId: $DEPLOY_ID"
-          
-          if [ -z "$OSSRH_USERNAME" ]; then
-            echo "::error title='OSSRH_USERNAME' is not set."
-            exit 1
-          fi
-  
-          if [ -z "$OSSRH_TOKEN" ]; then
-            echo "::error title='OSSRH_TOKEN' is not set."
-            exit 1
-          fi
-          
-          AUTH=$(printf "%s:%s" "$OSSRH_USERNAME" "$OSSRH_TOKEN" | base64)
-          echo "::add-mask::$AUTH"
-          
-          STATUS_JSON=$(curl -sS \
-            -H "Authorization: Bearer $AUTH" \
-            -H "Content-Type: application/json" \
-            -X POST \
-            "https://central.sonatype.com/api/v1/publisher/status?id=$DEPLOY_ID")
-          
-          echo "$STATUS_JSON" | jq .
-          
-          echo "$STATUS_JSON" | jq -r '.errors[]?.message' |
-            while read -r MSG; do
-              echo "::error title=Sonatype validation::$MSG"
-            done
-          
-          {
-            echo "### Sonatype Central Portal validation result"
-            echo
-            echo '```json'
-            echo "$STATUS_JSON"
-            echo '```'
-          } >> "$GITHUB_STEP_SUMMARY"
-
-      - name: Upload JReleaser artefacts
-        if: always()
-        uses: actions/upload-artifact@v4
-        with:
-          name: jreleaser-logs
-          path: |
-            build/jreleaser/trace.log
-            build/jreleaser/output.properties