Deprecate quic_allow_very_long_connection_ids

gfe-relnote: deprecate gfe2_restart_flag_quic_allow_very_long_connection_ids
PiperOrigin-RevId: 293391205
Change-Id: I075bf308aa3a7b668ccaaa67efdeecabd51df714
diff --git a/quic/core/quic_framer_test.cc b/quic/core/quic_framer_test.cc
index 8e272ce..88845af 100644
--- a/quic/core/quic_framer_test.cc
+++ b/quic/core/quic_framer_test.cc
@@ -10591,13 +10591,8 @@
       AssemblePacketFromFragments(packet99));
   EXPECT_FALSE(framer_.ProcessPacket(*encrypted));
   EXPECT_THAT(framer_.error(), IsError(QUIC_INVALID_NEW_CONNECTION_ID_DATA));
-  if (!GetQuicRestartFlag(quic_allow_very_long_connection_ids)) {
-    EXPECT_EQ("Unable to read new connection ID frame connection id.",
-              framer_.detailed_error());
-  } else {
-    EXPECT_EQ("Invalid new connection ID length for version.",
-              framer_.detailed_error());
-  }
+  EXPECT_EQ("Invalid new connection ID length for version.",
+            framer_.detailed_error());
 }
 
 // Verifies that parsing a NEW_CONNECTION_ID frame with an invalid