jobs: master-builds.yml: allow osmo-gsm-manuals to build anywhere

When https://gerrit.osmocom.org/#/c/7725/ has been merged, there
is no need to limit this build to OsmocomApi.

Change-Id: Ic5fe39b643e7a15dbfd2efd55dce78dde30cf099

jobs/master-builds.yml

@@ -17,6 +17,7 @@
     sequential: false
     # most common build invocation
     cmd: ./contrib/jenkins.sh
+    wrappers: []
     trigger:
 
     # in alphabetical order
@@ -206,10 +207,14 @@
 
       - osmo-gsm-manuals:
           # publishing once is plenty
-          slave_axis: !!python/tuple [OsmocomBuild1]
           cmd: >
            # keep first line with less indent to preserve newlines
             ./contrib/jenkins.sh --publish
+          # requires to have a ssh-key credentials called "api" (Id)
+          wrappers:
+            - ssh-agent-credentials:
+                  users:
+                      - api
 
       - osmo-hlr
 
@@ -385,5 +390,6 @@
        - email:
            recipients: gerrit-log@lists.osmocom.org, laforge@gnumonks.org
            send-to-individuals: true
+    wrappers: '{obj:wrappers}'
 
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