Disable the DataExchange::SendApiAsset API, until we can support the arbitrary-headers feature it requires.

Author: millems

services/dataexchange/src/main/resources/codegen-resources/customization.config

@@ -0,0 +1,7 @@
+{
+  "operationModifiers": {
+    "SendApiAsset": {
+      "exclude": true
+    }
+  }
+}