Remove unnecessary step to set infra and worker count to 0 in tenant repo

We now set these variables to 0 in the global defaults.

Author: simu

docs/modules/ROOT/partials/install/prepare-syn-config-machine-api.adoc

@@ -53,7 +53,6 @@ yq eval -i ".parameters.openshift4_version.spec.channel = \"fast-{ocp-minor-vers
 
 ifeval::["{provider}" == "cloudscale"]
 :is-terraform: yes
-:use-machine-api: yes
 endif::[]
 ifeval::["{provider}" == "exoscale"]
 :is-terraform: yes
@@ -65,9 +64,6 @@ endif::[]
 ifeval::["{is-terraform}" == "yes"]
 include::partial$install/prepare-syn-config-terraform.adoc[]
 endif::[]
-ifeval::["{use-machine-api}" == "yes"]
-include::partial$install/prepare-syn-config-machine-api.adoc[]
-endif::[]
 ifeval::["{provider}" == "vsphere"]
 include::partial$install/prepare-syn-config-vsphere.adoc[]
 endif::[]