Remove systemd as a CI dependency

Author: zinccyy

.gitlab-ci.yml

@@ -9,7 +9,7 @@ stages:
 # install libraries
 before_script:
   - apt-get update
-  - apt-get -y install clang cmake git libpcre2-dev libsystemd-dev
+  - apt-get -y install clang cmake git libpcre2-dev
   - apt-get -y install python3 python3-pip
   - git clone https://github.com/CESNET/libyang.git
   - git clone https://github.com/sysrepo/sysrepo.git