Derive RDAP link paths from the received query

The former method -- a config string -- was cumbersome, as each Nomulus system would have to configure the link base to its own URL.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=173567021

java/google/registry/config/files/default-config.yaml

@@ -215,10 +215,6 @@ misc:
   # to. Leave this null to disable syncing.
   sheetExportId: null
 
-rdap:
-  # Base URL (with trailing slash) for RDAP links.
-  baseUrl: http://domain-registry.example/rdap/
-
 # Braintree is a credit card payment processor that is used on the registrar
 # console to allow registrars to pay their invoices.
 braintree:

java/google/registry/config/files/nomulus-config-production-sample.yaml

@@ -58,9 +58,6 @@ registrarConsole:
 misc:
   sheetExportId: placeholder
 
-rdap:
-  baseUrl: placeholder
-
 # You only need to specify this section if using Braintree.
 braintree:
   merchantId: placeholder