Automated g4 rollback of changelist 552838601.

*** Reason for rollback ***

server.pi server flag isn't being picked up so it's trying to read NOCTOGRAM keys and failing to start the server

*** Original change description ***

Add noctogram keycache to phosphor for chrome ip blinding usage

***

PiperOrigin-RevId: 553149879

quiche/blind_sign_auth/proto/get_initial_data.proto

diff --git a/quiche/blind_sign_auth/proto/get_initial_data.proto b/quiche/blind_sign_auth/proto/get_initial_data.proto
index fbd140c..bcbd834 100644
--- a/quiche/blind_sign_auth/proto/get_initial_data.proto
+++ b/quiche/blind_sign_auth/proto/get_initial_data.proto
@@ -61,9 +61,4 @@
   // General public metadata. Use metadata deserializer to inspect. Only set one
   // of this or public_metadata_info.
   bytes binary_public_metadata = 4 ;
-
-  message PrivacyPassData {
-    bytes token_key_id = 1;
-  }
-  PrivacyPassData privacy_pass_data = 5;
 }