Drop EXTRA_FORMULAS logic

Related-Bug: PROD-23127 (PROD:23127)

Change-Id: I67df2026aa5439c7dd193b12a1c3f66d302b7a53
diff --git a/test-salt-model-node.groovy b/test-salt-model-node.groovy
index ed525bd..60477ee 100644
--- a/test-salt-model-node.groovy
+++ b/test-salt-model-node.groovy
@@ -4,7 +4,6 @@
  *  DEFAULT_GIT_REF
  *  DEFAULT_GIT_URL
  *  CREDENTIALS_ID
- *  EXTRA_FORMULAS
  *  CLUSTER_NAME
  *  NODE_TARGET
  *  SYSTEM_GIT_URL
@@ -74,7 +73,7 @@
               testResult = saltModelTesting.setupAndTestNode(
                   NODE_TARGET,
                   CLUSTER_NAME,
-                  EXTRA_FORMULAS,
+                  '',
                   workspace,
                   FORMULAS_SOURCE,
                   FORMULAS_REVISION,