Extra backslash

src/freedombone-utils-gnusocialtools

     echo '      database_query="delete from qvitternotification where to_profile_id=${id} or from_profile_id=${id};"' >> /usr/bin/gnusocial-delete-user
     echo '      mysql -u root --password="$MARIADB_PASSWORD" -e "$database_query" $database_name' >> /usr/bin/gnusocial-delete-user
     echo '' >> /usr/bin/gnusocial-delete-user
-    echo "      database_query=\"delete from notice where content REGEXP '\@${remove_user}';\"" >> /usr/bin/gnusocial-delete-user
+    echo "      database_query=\"delete from notice where content REGEXP '\@\${remove_user}';\"" >> /usr/bin/gnusocial-delete-user
     echo '      mysql -u root --password="$MARIADB_PASSWORD" -e "$database_query" $database_name' >> /usr/bin/gnusocial-delete-user
     echo '  fi' >> /usr/bin/gnusocial-delete-user
     echo '  ctr=$((ctr + 1))' >> /usr/bin/gnusocial-delete-user