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

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

This reverts commit 31d4becfa98c11bbdb77d0c6c9e3d8f95e479d77.

Change-Id: Ib69e1031fa4fe0abcdb0f1434ec1f5b18a3d998c
diff --git a/opencontrail/control/cluster4_0.yml b/opencontrail/control/cluster4_0.yml
index 12a344e..95b0d90 100644
--- a/opencontrail/control/cluster4_0.yml
+++ b/opencontrail/control/cluster4_0.yml
@@ -27,7 +27,7 @@
     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:
diff --git a/opencontrail/control/cluster4_0_k8s.yml b/opencontrail/control/cluster4_0_k8s.yml
index 6e24ac3..cf9a8e7 100644
--- a/opencontrail/control/cluster4_0_k8s.yml
+++ b/opencontrail/control/cluster4_0_k8s.yml
@@ -21,7 +21,7 @@
     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:
diff --git a/opencontrail/control/control4_0.yml b/opencontrail/control/control4_0.yml
index fb751ca..ba47959 100644
--- a/opencontrail/control/control4_0.yml
+++ b/opencontrail/control/control4_0.yml
@@ -17,7 +17,7 @@
     opencontrail_message_queue_password: guest
     opencontrail_controller_image: ${_param:mcp_docker_registry}/opencontrail-${_param:linux_repo_contrail_component}/opencontrail-controller:${_param:opencontrail_image_tag}
     opencontrail_controller_container_name: opencontrail_controller_1
-    opencontrail_api_workers_count: 1
+    opencontrail_api_workers_count: 6
     analytics_vip_address: ${_param:opencontrail_analytics_address}
   opencontrail:
     common: