Update database library in messenger example

.gitlab-ci.yml

@@ -3,7 +3,6 @@ before_script:
   - for ip in $(dig @8.8.8.8 git.xx.network +short); do ssh-keyscan git.xx.network,$ip; ssh-keyscan $ip; done 2>/dev/null >> ~/.ssh/known_hosts
   - swift --version
   - xcodebuild -version
-  - ./xcode-remove-caches.sh
 
 stages:
   - test