buildbot: remove unused worker vars

inventory/group_vars/all

@@ -26,9 +26,6 @@ buildbot_workers:
           31643466313732383232653466383736363761303665323639396430346563333536636636303561
           3430353439613438640a623732336335643532373832333539303232313539316338343363323733
           3031
-    maxbuilds: 1
-    cpus_per_build: 3
-    notify_on_missing: [email protected]
   - name: scherer8-buildbot2
     passwd: !vault |
           $ANSIBLE_VAULT;1.1;AES256
@@ -37,9 +34,6 @@ buildbot_workers:
           33666335333061663466663765333261303637323532363430303138643639623535653364303137
           6563343738396665370a653432303737643832616132383533353064383962613366303738313635
           3238
-    maxbuilds: 1
-    cpus_per_build: 3
-    notify_on_missing: [email protected]
   - name: ionos-worker01
     passwd: !vault |
           $ANSIBLE_VAULT;1.1;AES256
@@ -48,9 +42,6 @@ buildbot_workers:
           34383930343561323737653066313161343534326265323931346335373538336363303236643236
           6336613161346231650a356462626563316635613062613435353639313433383461366431666339
           37306263646236663265643035613736393661353761343632656137316339396338
-    maxbuilds: 1
-    cpus_per_build: 3
-    notify_on_missing: [email protected]
   - name: ionos-worker02
     passwd: !vault |
           $ANSIBLE_VAULT;1.1;AES256
@@ -59,9 +50,6 @@ buildbot_workers:
           61383263653763626564626563643633336362313832633837326530636362626638623037313438
           6665336331376435370a383435313133393636346635383863306561663133646339363162393234
           3535
-    maxbuilds: 1
-    cpus_per_build: 3
-    notify_on_missing: [email protected]
   - name: ionos-worker03
     passwd: !vault |
           $ANSIBLE_VAULT;1.1;AES256
@@ -71,9 +59,6 @@ buildbot_workers:
           3237666335343561360a313131363532393333336437353838623534333634336533626532613933
           32303463643964303830633064396364343538393465643438346630353131306639653437323464
           3333383031616232346362313630376462666466643539316363
-    maxbuilds: 1
-    cpus_per_build: 3
-    notify_on_missing: [email protected]
   - name: ionos-worker04
     passwd: !vault |
           $ANSIBLE_VAULT;1.1;AES256
@@ -84,9 +69,6 @@ buildbot_workers:
           66643238376231363666313064356662356533383862653234336261353436306364356335336333
           39653732343539623835643831316231353834336330366330336337313438613135383730356539
           613035626265626439616562653861363764
-    maxbuilds: 1
-    cpus_per_build: 3
-    notify_on_missing: [email protected]
   - name: akira-home
     passwd: !vault |
           $ANSIBLE_VAULT;1.1;AES256