Remove key_ops from BCC cose_key

The field is not needed. It should also be an array, not an integer.

Bug: 244979638
Test: captured CSR on cuttlefish, uploaded to RKP server
Change-Id: I9058500a537cddd16e344b59ff6ef36c28b98b8e
diff --git a/host/commands/secure_env/tpm_remote_provisioning_context.cpp b/host/commands/secure_env/tpm_remote_provisioning_context.cpp
index 351e7e8..23495e1 100644
--- a/host/commands/secure_env/tpm_remote_provisioning_context.cpp
+++ b/host/commands/secure_env/tpm_remote_provisioning_context.cpp
@@ -125,7 +125,6 @@
                      .add(CoseKey::KEY_TYPE, OCTET_KEY_PAIR)
                      .add(CoseKey::ALGORITHM, EDDSA)
                      .add(CoseKey::CURVE, ED25519)
-                     .add(CoseKey::KEY_OPS, VERIFY)
                      .add(CoseKey::PUBKEY_X, pubKey)
                      .canonicalize();
   auto sign1Payload =