Remove requireLogin action attribute

The affected actions have been changed to check that the user is logged in by [] so this attribute is no longer needed.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=159572365

java/google/registry/ui/server/registrar/ConsoleUiAction.java

@@ -45,7 +45,6 @@ import javax.servlet.http.HttpServletRequest;
 /** Action that serves Registrar Console single HTML page (SPA). */
 @Action(
   path = ConsoleUiAction.PATH,
-  requireLogin = true,
   auth =
       @Auth(
         methods = {Auth.AuthMethod.INTERNAL, Auth.AuthMethod.API, Auth.AuthMethod.LEGACY},

java/google/registry/ui/server/registrar/RegistrarPaymentAction.java

@@ -97,7 +97,6 @@ import org.joda.money.Money;
 @Action(
   path = "/registrar-payment",
   method = Action.Method.POST,
-  requireLogin = true,
   auth =
       @Auth(
         methods = {Auth.AuthMethod.INTERNAL, Auth.AuthMethod.API, Auth.AuthMethod.LEGACY},

java/google/registry/ui/server/registrar/RegistrarPaymentSetupAction.java

@@ -72,7 +72,6 @@ import org.joda.money.CurrencyUnit;
 @Action(
   path = "/registrar-payment-setup",
   method = Action.Method.POST,
-  requireLogin = true,
   auth =
       @Auth(
         methods = {Auth.AuthMethod.INTERNAL, Auth.AuthMethod.API, Auth.AuthMethod.LEGACY},

java/google/registry/ui/server/registrar/RegistrarSettingsAction.java

@@ -64,7 +64,6 @@ import javax.servlet.http.HttpServletRequest;
  */
 @Action(
   path = RegistrarSettingsAction.PATH,
-  requireLogin = true,
   method = Action.Method.POST,
   auth =
       @Auth(