Revert of Check that usage isn't empty when generateKey() is called

content/child/webcrypto/openssl/ec_key_openssl.cc

Index: content/child/webcrypto/openssl/ec_key_openssl.cc
diff --git a/content/child/webcrypto/openssl/ec_key_openssl.cc b/content/child/webcrypto/openssl/ec_key_openssl.cc
index 81e233701f42767301e104023301db12f4942f6f..8d5fc0879d70227c6c687918cb3515dce2b73af4 100644
--- a/content/child/webcrypto/openssl/ec_key_openssl.cc
+++ b/content/child/webcrypto/openssl/ec_key_openssl.cc
@@ -217,9 +217,6 @@
       combined_usages & all_public_key_usages_;
   const blink::WebCryptoKeyUsageMask private_usages =
       combined_usages & all_private_key_usages_;
-
-  if (private_usages == 0)
-    return Status::ErrorCreateKeyEmptyUsages();
 
   const blink::WebCryptoEcKeyGenParams* params = algorithm.ecKeyGenParams();