Revert "Set contrail-api workers count to 1 by default"

Closes-Bug: PROD-27538 (PROD:27538)

This reverts commit 31d4becfa98c11bbdb77d0c6c9e3d8f95e479d77.

Change-Id: Ib69e1031fa4fe0abcdb0f1434ec1f5b18a3d998c
(cherry picked from commit 4aa58bcf9256b3ec4c9c4ee7bb5f987041c65a56)
diff --git a/opencontrail/control/cluster4_0_k8s.yml b/opencontrail/control/cluster4_0_k8s.yml
index e66ed9f..f5f34c1 100644
--- a/opencontrail/control/cluster4_0_k8s.yml
+++ b/opencontrail/control/cluster4_0_k8s.yml
@@ -20,7 +20,7 @@
     opencontrail_controller_container_name: opencontrail_controller_1
     opencontrail_analytics_container_name: opencontrail_analytics_1
     opencontrail_analyticsdb_container_name: opencontrail_analyticsdb_1
-    opencontrail_api_workers_count: 1
+    opencontrail_api_workers_count: 6
     analytics_vip_address: ${_param:opencontrail_analytics_address}
 # Temprorary fix for MOS9 packages to pin old version of kafka
   linux: