fix(tekton): Remove unsupported TektonConfig fields

cluster/platform/tekton/tektonconfig.yaml

@@ -12,8 +12,6 @@ spec:
   pipeline:
     disable-affinity-assistant: false
     disable-creds-init: false
-    disable-home-env-overwrite: true
-    disable-working-directory-overwrite: true
     enable-api-fields: stable
     enable-custom-tasks: true
     enable-tekton-oci-bundles: true