Do not create /home/matrix when creating the matrix user

roles/matrix-base/tasks/setup_matrix_user.yml

@@ -17,6 +17,9 @@
     uid: "{{ omit if matrix_user_uid is none else matrix_user_uid }}"
     state: present
     group: "{{ matrix_user_groupname }}"
+    home: "{{ matrix_base_data_path }}"
+    create_home: no
+    system: yes
   register: matrix_user
 
 - name: Set Matrix Group UID Variable