Clean up unnecessary build files from apt-repo

amd64/etc/systemd/system/gitea.service

@@ -1,19 +0,0 @@
-[Unit]
-Description=Gitea (Git with a cup of tea)
-After=syslog.target
-After=network.target
-Requires=mariadb.service
-
-[Service]
-RestartSec=2s
-Type=simple
-User=gitea
-Group=gitea
-WorkingDirectory=/opt/gitea/
-ExecStart=/opt/gitea/bin/gitea web --config /etc/gitea/app.ini
-Restart=always
-Environment="GITEA_WORK_DIR=/opt/gitea/gitea"
-Environment="GITEA_CUSTOM=/opt/gitea/custom"
-
-[Install]
-WantedBy=multi-user.target