Remove symbolic link to the correct location of ca-cert file

- This hack was introduced by  sameersbn#3027 in order to fix sameersbn#3010.

(cherry picked from commit 3d07804)

Author: sachilles

Dockerfile

@@ -84,8 +84,6 @@ LABEL \
 
 EXPOSE 22/tcp 80/tcp 443/tcp
 
-RUN ln -s /etc/ssl/certs/ca-certificates.crt /usr/lib/ssl/cert.pem
-
 VOLUME ["${GITLAB_DATA_DIR}", "${GITLAB_LOG_DIR}","${GITLAB_HOME}/gitlab/node_modules"]
 WORKDIR ${GITLAB_INSTALL_DIR}
 ENTRYPOINT ["/sbin/entrypoint.sh"]