Remove usage of undefined matrix_bot_go_neb_identifier variable

This is a mistake made in 10b5350370.

Fixes https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/2540

roles/custom/matrix-bot-go-neb/templates/labels.j2

@@ -8,38 +8,38 @@ traefik.docker.network={{ matrix_bot_go_neb_container_labels_traefik_docker_netw
 {% set middlewares = [] %}
 
 {% if matrix_bot_go_neb_container_labels_traefik_path_prefix != '/' %}
-traefik.http.middlewares.{{ matrix_bot_go_neb_identifier }}-slashless-redirect.redirectregex.regex=({{ matrix_bot_go_neb_container_labels_traefik_path_prefix | quote }})$
-traefik.http.middlewares.{{ matrix_bot_go_neb_identifier }}-slashless-redirect.redirectregex.replacement=${1}/
-{% set middlewares = middlewares + [matrix_bot_go_neb_identifier + '-slashless-redirect'] %}
+traefik.http.middlewares.matrix-bot-go-neb-slashless-redirect.redirectregex.regex=({{ matrix_bot_go_neb_container_labels_traefik_path_prefix | quote }})$
+traefik.http.middlewares.matrix-bot-go-neb-slashless-redirect.redirectregex.replacement=${1}/
+{% set middlewares = middlewares + ['matrix-bot-go-neb-slashless-redirect'] %}
 {% endif %}
 
 {% if matrix_bot_go_neb_container_labels_traefik_path_prefix != '/' %}
-traefik.http.middlewares.{{ matrix_bot_go_neb_identifier }}-strip-prefix.stripprefix.prefixes={{ matrix_bot_go_neb_container_labels_traefik_path_prefix }}
-{% set middlewares = middlewares + [matrix_bot_go_neb_identifier + '-strip-prefix'] %}
+traefik.http.middlewares.matrix-bot-go-neb-strip-prefix.stripprefix.prefixes={{ matrix_bot_go_neb_container_labels_traefik_path_prefix }}
+{% set middlewares = middlewares + ['matrix-bot-go-neb-strip-prefix'] %}
 {% endif %}
 
 {% if matrix_bot_go_neb_container_labels_traefik_additional_response_headers.keys() | length > 0 %}
 {% for name, value in matrix_bot_go_neb_container_labels_traefik_additional_response_headers.items() %}
-traefik.http.middlewares.{{ matrix_bot_go_neb_identifier }}-add-headers.headers.customresponseheaders.{{ name }}={{ value }}
+traefik.http.middlewares.matrix-bot-go-neb-add-headers.headers.customresponseheaders.{{ name }}={{ value }}
 {% endfor %}
-{% set middlewares = middlewares + [matrix_bot_go_neb_identifier + '-add-headers'] %}
+{% set middlewares = middlewares + ['matrix-bot-go-neb-add-headers'] %}
 {% endif %}
 
-traefik.http.routers.{{ matrix_bot_go_neb_identifier }}.rule={{ matrix_bot_go_neb_container_labels_traefik_rule }}
+traefik.http.routers.matrix-bot-go-neb.rule={{ matrix_bot_go_neb_container_labels_traefik_rule }}
 {% if matrix_bot_go_neb_container_labels_traefik_priority | int > 0 %}
-traefik.http.routers.{{ matrix_bot_go_neb_identifier }}.priority={{ matrix_bot_go_neb_container_labels_traefik_priority }}
+traefik.http.routers.matrix-bot-go-neb.priority={{ matrix_bot_go_neb_container_labels_traefik_priority }}
 {% endif %}
-traefik.http.routers.{{ matrix_bot_go_neb_identifier }}.service={{ matrix_bot_go_neb_identifier }}
+traefik.http.routers.matrix-bot-go-neb.service=matrix-bot-go-neb
 {% if middlewares | length > 0 %}
-traefik.http.routers.{{ matrix_bot_go_neb_identifier }}.middlewares={{ middlewares | join(',') }}
+traefik.http.routers.matrix-bot-go-neb.middlewares={{ middlewares | join(',') }}
 {% endif %}
-traefik.http.routers.{{ matrix_bot_go_neb_identifier }}.entrypoints={{ matrix_bot_go_neb_container_labels_traefik_entrypoints }}
-traefik.http.routers.{{ matrix_bot_go_neb_identifier }}.tls={{ matrix_bot_go_neb_container_labels_traefik_tls | to_json }}
+traefik.http.routers.matrix-bot-go-neb.entrypoints={{ matrix_bot_go_neb_container_labels_traefik_entrypoints }}
+traefik.http.routers.matrix-bot-go-neb.tls={{ matrix_bot_go_neb_container_labels_traefik_tls | to_json }}
 {% if matrix_bot_go_neb_container_labels_traefik_tls %}
-traefik.http.routers.{{ matrix_bot_go_neb_identifier }}.tls.certResolver={{ matrix_bot_go_neb_container_labels_traefik_tls_certResolver }}
+traefik.http.routers.matrix-bot-go-neb.tls.certResolver={{ matrix_bot_go_neb_container_labels_traefik_tls_certResolver }}
 {% endif %}
 
-traefik.http.services.{{ matrix_bot_go_neb_identifier }}.loadbalancer.server.port=4050
+traefik.http.services.matrix-bot-go-neb.loadbalancer.server.port=4050
 {% endif %}
 
 {{ matrix_bot_go_neb_container_labels_additional_labels }}