promtail: Remove default scrape jobs varlogs, nginx and postfix-bounces

defaults/main.yml

@@ -57,13 +57,6 @@ prometheus_agent:
       # the default scrape configs. Items with an empty value are ignored.
       # The "job_name" field defaults to the item key.
       scrape_jobs:
-        system:
-          static_configs:
-          - targets:
-              - localhost
-            labels:
-              job: varlogs
-              __path__: /var/log/*log
         journal:
           journal:
             max_age: 12h
@@ -77,20 +70,6 @@ prometheus_agent:
           pipeline_stages:
             - structured_metadata:
                 level:
-        nginx:
-          static_configs:
-          - targets:
-              - localhost
-            labels:
-              job: nginx
-              __path__: /var/log/nginx/access-promtail.log
-        postfix-bounces:
-          static_configs:
-          - targets:
-              - localhost
-            labels:
-              job: postfix-bounces
-              __path__: /var/log/mailman3/bounce.log
     snmp:
       enable: False
       mib_path: /usr/share/snmp/mibs