base: Remove the string logging from CHECK().

net/http2/hpack/decoder/hpack_entry_type_decoder.cc

Index: net/http2/hpack/decoder/hpack_entry_type_decoder.cc
diff --git a/net/http2/hpack/decoder/hpack_entry_type_decoder.cc b/net/http2/hpack/decoder/hpack_entry_type_decoder.cc
index a05d48b1ccd77e96ecf2d0c21a981138b11c06db..ac66a23e99af8f543c7edc6b188a9bf65dc155de 100644
--- a/net/http2/hpack/decoder/hpack_entry_type_decoder.cc
+++ b/net/http2/hpack/decoder/hpack_entry_type_decoder.cc
@@ -352,8 +352,7 @@ DecodeStatus HpackEntryTypeDecoder::Start(DecodeBuffer* db) {
       // All of those bits are 1, so the varint extends into another byte.
       return varint_decoder_.StartExtended(0x7f, db);
   }
-  CHECK(false) << "Unreachable, byte=" << std::hex
-               << static_cast<uint32_t>(byte);
+  CHECK(false);
   return DecodeStatus::kDecodeError;
 }