[webcrypto] Remove RSA-ES support (1 of 3)

LayoutTests/crypto/exportKey-unextractable.html

Index: LayoutTests/crypto/exportKey-unextractable.html
diff --git a/LayoutTests/crypto/exportKey-unextractable.html b/LayoutTests/crypto/exportKey-unextractable.html
index 903c5f65772475b5b75b43da5c462b260e0220fd..1a1c865383f69e42cf2161c386125888bc2fb866 100644
--- a/LayoutTests/crypto/exportKey-unextractable.html
+++ b/LayoutTests/crypto/exportKey-unextractable.html
@@ -39,9 +39,9 @@ function importUnextractableHmacKey()
 function importUnextractableRsaPrivateKey()
 {
     var keyData = hexStringToUint8Array(kKeyData.rsa1.pkcs8);
-    var usages = ['encrypt'];
+    var usages = ['sign'];
     var extractable = false;
-    var algorithm = {name: 'RSAES-PKCS1-v1_5'};
+    var algorithm = {name: 'RSASSA-PKCS1-v1_5', hash: {name: "sha-1"}};
 
     return crypto.subtle.importKey('pkcs8', keyData, algorithm, extractable, usages);
 }