Remove useless XML escaping of Base64 certificate data

Author: mauromol

core/src/main/java/com/onelogin/saml2/settings/Metadata.java

@@ -318,7 +318,7 @@ private String toX509KeyDescriptorsXML(X509Certificate certCurrent, X509Certific
 	            keyDescriptorXml.append("<md:KeyDescriptor use=\"signing\">");
 	            keyDescriptorXml.append("<ds:KeyInfo xmlns:ds=\"http://www.w3.org/2000/09/xmldsig#\">");
 	            keyDescriptorXml.append("<ds:X509Data>");
-	            keyDescriptorXml.append("<ds:X509Certificate>"+Util.toXml(certString)+"</ds:X509Certificate>");
+	            keyDescriptorXml.append("<ds:X509Certificate>"+certString+"</ds:X509Certificate>");
 	            keyDescriptorXml.append("</ds:X509Data>");
 	            keyDescriptorXml.append("</ds:KeyInfo>");
 	            keyDescriptorXml.append("</md:KeyDescriptor>");
@@ -327,7 +327,7 @@ private String toX509KeyDescriptorsXML(X509Certificate certCurrent, X509Certific
 	                keyDescriptorXml.append("<md:KeyDescriptor use=\"encryption\">");
 	                keyDescriptorXml.append("<ds:KeyInfo xmlns:ds=\"http://www.w3.org/2000/09/xmldsig#\">");
 	                keyDescriptorXml.append("<ds:X509Data>");
-	                keyDescriptorXml.append("<ds:X509Certificate>"+Util.toXml(certString)+"</ds:X509Certificate>");
+	                keyDescriptorXml.append("<ds:X509Certificate>"+certString+"</ds:X509Certificate>");
 	                keyDescriptorXml.append("</ds:X509Data>");
 	                keyDescriptorXml.append("</ds:KeyInfo>");
 	                keyDescriptorXml.append("</md:KeyDescriptor>");