Simplify verify step of ASN.1 platform library

Use Dockerfile from ci subdirectory.
Drop requirement to have a tag file.

Signed-off-by: Lott, Christopher (cl778h) <cl778h@att.com>
Change-Id: I2f6e4416a748167b29f3f8e20230e197e26d03b2
diff --git a/jjb/com-asn1/com-asn1.yaml b/jjb/com-asn1/com-asn1.yaml
index cf24a8c..470c9bb 100644
--- a/jjb/com-asn1/com-asn1.yaml
+++ b/jjb/com-asn1/com-asn1.yaml
@@ -16,10 +16,6 @@
     container-public-registry: nexus3.o-ran-sc.org:10001
     # push to the staging repo bcos all builds are RCs
     container-push-registry:  nexus3.o-ran-sc.org:10004
-    # use host network to clone from our gerrit
-    docker-build-args: '--network=host'
-    # source of docker tag
-    docker-use-params-from: yaml-file-params
     stream:
       - master:
           branch: master
@@ -30,8 +26,12 @@
     project: com/asn1
     # jenkins job name prefix
     project-name: '{name}'
+    # use host network to clone from our gerrit
+    docker-build-args: '--network=host -f ci/Dockerfile'
     # image name
     docker-name: '{name}'
+    # image tag, use a fixed value
+    container-tag-method: latest
     # maven settings file has docker credentials
     mvn-settings: com-asn1-settings
     jobs: