neo4j service: neo4j-wrapper is deprecated, merge into neo4j.conf

nixos/modules/services/databases/neo4j.nix

···
     ''}
     dbms.shell.enabled=true
     ${cfg.extraServerConfig}
-  '';
 
-  wrapperConfig = pkgs.writeText "neo4j-wrapper.conf" ''
     # Default JVM parameters from neo4j.conf
     dbms.jvm.additional=-XX:+UseG1GC
     dbms.jvm.additional=-XX:-OmitStackTraceInFastThrow
···
       preStart = ''
         mkdir -m 0700 -p ${cfg.dataDir}/{data/graph.db,conf,logs}
         ln -fs ${serverConfig} ${cfg.dataDir}/conf/neo4j.conf
-        ln -fs ${wrapperConfig} ${cfg.dataDir}/conf/neo4j-wrapper.conf
         if [ "$(id -u)" = 0 ]; then chown -R neo4j ${cfg.dataDir}; fi
       '';
     };