ci: remove semantic-release auto publishing (#95)

Author: BeiBaiNian

.github/workflows/maven-ci.yml

@@ -67,19 +67,3 @@ jobs:
         uses: codecov/codecov-action@v1
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
-
-      - name: Set up Node.js
-        uses: actions/setup-node@v2
-        with:
-          node-version: 20
-
-      - name: Semantic Release
-        run: |
-          npm install -g @conveyal/maven-semantic-release semantic-release
-          semantic-release --prepare @conveyal/maven-semantic-release --publish @semantic-release/github,@conveyal/maven-semantic-release --verify-conditions @semantic-release/github,@conveyal/maven-semantic-release --verify-release @conveyal/maven-semantic-release
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          GPG_KEY_NAME: ${{ secrets.GPG_KEY_NAME }}
-          GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
-          OSSRH_JIRA_USERNAME: ${{ secrets.OSSRH_JIRA_USERNAME }}
-          OSSRH_JIRA_PASSWORD: ${{ secrets.OSSRH_JIRA_PASSWORD }}