Revert "Point to registration branches"

This reverts commit e5bd6167.

.gitlab-ci.yml

@@ -22,9 +22,9 @@ variables:
   REPOS_API: https://gitlab.com/api/v4/projects/elixxir%2F
   DL_URL_FRAG: jobs/artifacts/master/raw/release
   SERVER_URL: ${REPOS_API}server/$DL_URL_FRAG/server.linux64?job=build
-  CLIENT_URL: ${REPOS_API}client/jobs/artifacts/XX-915/raw/release/client.linux64?job=build
-  CHANNELBOT_URL: ${REPOS_API}channelbot/jobs/artifacts/registration/raw/release/channelbot.linux64?job=build
-  UDB_URL: ${REPOS_API}user-discovery-bot/jobs/artifacts/XX-975/raw/release/udb.linux64?job=build
+  CLIENT_URL: ${REPOS_API}client/$DL_URL_FRAG/client.linux64?job=build
+  CHANNELBOT_URL: ${REPOS_API}channelbot/$DL_URL_FRAG/channelbot.linux64?job=build
+  UDB_URL: ${REPOS_API}user-discovery-bot/$DL_URL_FRAG/udb.linux64?job=build
   GATEWAY_URL: ${REPOS_API}gateway/$DL_URL_FRAG/gateway.linux64?job=build
 
 before_script: