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

content/child/webcrypto/openssl/rsa_key_openssl.cc

Index: content/child/webcrypto/openssl/rsa_key_openssl.cc
diff --git a/content/child/webcrypto/openssl/rsa_key_openssl.cc b/content/child/webcrypto/openssl/rsa_key_openssl.cc
index d3c38e8e2f51ad2e562a87ab2f4fc7f67680ec6c..e849f0d81babbe9c0ae1834975f3c96a4ba8b564 100644
--- a/content/child/webcrypto/openssl/rsa_key_openssl.cc
+++ b/content/child/webcrypto/openssl/rsa_key_openssl.cc
@@ -166,9 +166,6 @@
       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::WebCryptoRsaHashedKeyGenParams* params =
       algorithm.rsaHashedKeyGenParams();