Remove Unnecessary Stage-Release Step (#272)

Motivation:
`Prepare Internal Dependencies` is unnecessary

Modification:
Remove unnecessary step

Result:
Clean up

.github/workflows/cd-release.yml

@@ -130,9 +130,6 @@ jobs:
             cat <(echo -e "${{ secrets.GPG_PRIVATE_KEY }}") | gpg --batch --import
             ./mvnw -B -ntp -am -pl r2dbc-mysql clean javadoc:jar package gpg:sign org.sonatype.plugins:nexus-staging-maven-plugin:deploy -DnexusUrl=https://s01.oss.sonatype.org -DserverId=ossrh-staging -DaltStagingDirectory=/home/runner/local-staging -DskipRemoteStaging=true -DskipTests=true -Dcheckstyle.skip -Dgpg.passphrase="${{ secrets.GPG_PASSPHRASE }}" -Dgpg.keyname="${{ secrets.GPG_KEY_NAME }}"
 
-      - name: Prepare Internal Dependencies
-        run: ./mvnw -B -ntp -pl build-tools clean install -DskipTests -Dcheckstyle.skip
-
       - name: Deploy Local Staged Artifacts
         working-directory: ./prepare-workspace/
         run: ./mvnw -B -ntp -pl r2dbc-mysql --file pom.xml org.sonatype.plugins:nexus-staging-maven-plugin:deploy-staged -DnexusUrl=https://s01.oss.sonatype.org -DserverId=ossrh-staging -DaltStagingDirectory=/home/runner/local-staging -DskipStagingRepositoryClose=true -Dcheckstyle.skip