Fix bash in footer

Author: MoteHue

etc/kayobe/kolla.yml

@@ -353,7 +353,7 @@ kolla_build_blocks:
     {% if kolla_base_distro in ['centos', 'rocky'] %}
     RUN \
         if [ -f /etc/yum.repos.d.backup/repos.tar.gz ]; then \
-          tar -xzf /etc/yum.repos.d.backup/repos.tar.gz -C /etc/yum.repos.d && \
+          tar -xzf /etc/yum.repos.d.backup/repos.tar.gz -C /etc/yum.repos.d; \
           rm -rf /etc/yum.repos.d.backup/ \
         fi && \
         if grep -r '{{ stackhpc_repo_mirror_url }}' /etc/yum.repos.d; then \