Remove obsolete workers from prometheus config

conf/prometheus.yml

@@ -26,16 +26,6 @@ scrape_configs:
           instance: "matrix.boba.best"
           job: "generic_worker"
           index: 2
-      - targets: ["generic3:8008"]
-        labels:
-          instance: "matrix.boba.best"
-          job: "generic_worker"
-          index: 3
-      - targets: ["generic4:8008"]
-        labels:
-          instance: "matrix.boba.best"
-          job: "generic_worker"
-          index: 4
 
       - targets: ["sender1:8008"]
         labels:
@@ -47,16 +37,6 @@ scrape_configs:
           instance: "matrix.boba.best"
           job: "federation_sender"
           index: 2
-      - targets: ["sender3:8008"]
-        labels:
-          instance: "matrix.boba.best"
-          job: "federation_sender"
-          index: 3
-      - targets: ["sender4:8008"]
-        labels:
-          instance: "matrix.boba.best"
-          job: "federation_sender"
-          index: 4
 
       - targets: ["media:8008"]
         labels: