Move credential bindings to Jenkinsfile.

The credentials are now accessed directly on the pipeline, using `withCredentials`.

Change-Id: I22a5f17b97ddb4dc877d1eee3c739e6753141b76
diff --git a/jjb/templates/fabric-tna-jobs.yaml b/jjb/templates/fabric-tna-jobs.yaml
index 7da8b04..fe9182c 100644
--- a/jjb/templates/fabric-tna-jobs.yaml
+++ b/jjb/templates/fabric-tna-jobs.yaml
@@ -59,25 +59,6 @@
       - lf-infra-wrappers:
           build-timeout: '80'
           jenkins-ssh-credential: '{github-onf-bot-ssh-credential}'
-      - credentials-binding:
-          - username-password-separated:
-              credential-id: docker-artifact-push-credentials
-              username: DOCKERHUB_USERNAME
-              password: DOCKERHUB_PASSWORD
-      - credentials-binding:
-          - username-password-separated:
-              credential-id: aether-internal-registry
-              username: AETHER_REGISTRY_USERNAME
-              password: AETHER_REGISTRY_PASSWORD
-      - credentials-binding:
-          - username-password-separated:
-              credential-id: onf-internal-registry
-              username: ONF_REGISTRY_USERNAME
-              password: ONF_REGISTRY_PASSWORD
-      - credentials-binding:
-          - text:
-              credential-id: codecov-fabric-tna
-              variable: CODECOV_TOKEN
 
 - job-template:
     id: 'postmerge-{profile}-{arch}'
@@ -136,25 +117,6 @@
       - lf-infra-wrappers:
           build-timeout: '80'
           jenkins-ssh-credential: '{github-onf-bot-ssh-credential}'
-      - credentials-binding:
-          - username-password-separated:
-              credential-id: docker-artifact-push-credentials
-              username: DOCKERHUB_USERNAME
-              password: DOCKERHUB_PASSWORD
-      - credentials-binding:
-          - username-password-separated:
-              credential-id: aether-internal-registry
-              username: AETHER_REGISTRY_USERNAME
-              password: AETHER_REGISTRY_PASSWORD
-      - credentials-binding:
-          - username-password-separated:
-              credential-id: onf-internal-registry
-              username: ONF_REGISTRY_USERNAME
-              password: ONF_REGISTRY_PASSWORD
-      - credentials-binding:
-          - text:
-              credential-id: codecov-fabric-tna
-              variable: CODECOV_TOKEN
 
 - job-template:
     id: 'fabric-tna-linerate-tests'