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.

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

java/google/registry/config/RegistryConfig.java

@@ -761,17 +761,6 @@ public final class RegistryConfig {
       return 100;
     }
 
-    /**
-     * Base for RDAP link paths.
-     *
-     * @see google.registry.rdap.RdapActionBase
-     */
-    @Provides
-    @Config("rdapLinkBase")
-    public static String provideRdapLinkBase(RegistryConfigSettings config) {
-      return config.rdap.baseUrl;
-    }
-
     /**
      * WHOIS server displayed in RDAP query responses. As per Gustavo Lozano of ICANN, this should
      * be omitted, but the ICANN operational profile doesn't actually say that, so it's good to have

java/google/registry/config/RegistryConfigSettings.java

@@ -32,7 +32,6 @@ public class RegistryConfigSettings {
   public RegistrarConsole registrarConsole;
   public Monitoring monitoring;
   public Misc misc;
-  public Rdap rdap;
   public Braintree braintree;
   public Kms kms;
   public RegistryTool registryTool;
@@ -148,11 +147,6 @@ public class RegistryConfigSettings {
     public String sheetExportId;
   }
 
-  /** Configuration for RDAP. */
-  public static class Rdap {
-    public String baseUrl;
-  }
-
   /** Configuration for Braintree credit card payment processing. */
   public static class Braintree {
     public String merchantId;

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