README update

Author: kjur

README.md

@@ -6,10 +6,8 @@ jsrsasign
 [![npm downloads](https://img.shields.io/npm/dm/jsrsasign.svg)](https://www.npmjs.com/package/jsrsasign)
 [![jsdeliver downloads](https://data.jsdelivr.com/v1/package/npm/jsrsasign/badge)](https://www.jsdelivr.com/package/npm/jsrsasign)
 [![CDNJS](https://img.shields.io/cdnjs/v/jsrsasign.svg)](https://cdnjs.com/libraries/jsrsasign)
-[![githubsponsors](https://img.shields.io/badge/github-donate-yellow.svg)](https://github.com/sponsors/kjur)
-[![cryptocurrency](https://img.shields.io/badge/crypto-donate-yellow.svg)](https://github.com/kjur/jsrsasign#cryptocurrency)
 
-jsrsasign [TOP](https://kjur.github.io/jsrsasign/) | [github](https://github.com/kjur/jsrsasign) | [Wiki](https://github.com/kjur/jsrsasign/wiki) | [DOWNLOADS](https://github.com/kjur/jsrsasign/releases) | [TUTORIALS](https://github.com/kjur/jsrsasign/wiki#programming-tutorial) | [API REFERENCE](https://kjur.github.io/jsrsasign/api/) | [Online Tool](https://github.com/kjur/jsrsasign/wiki/jsrsasign-Online-Tools) | [DEMO](https://github.com/kjur/jsrsasign/wiki/jsrsasign-Demo) | [NODE TOOL](https://github.com/kjur/jsrsasign/wiki/Sample-Node-Tool-List) | [AddOn](https://github.com/kjur/jsrsasign/wiki/jsrsasign-Add-On) | [DONATE](https://github.com/kjur/jsrsasign#donations)
+jsrsasign [TOP](https://kjur.github.io/jsrsasign/) | [github](https://github.com/kjur/jsrsasign) | [Wiki](https://github.com/kjur/jsrsasign/wiki) | [DOWNLOADS](https://github.com/kjur/jsrsasign/releases) | [TUTORIALS](https://github.com/kjur/jsrsasign/wiki#programming-tutorial) | [API REFERENCE](https://kjur.github.io/jsrsasign/api/) | [Online Tool](https://github.com/kjur/jsrsasign/wiki/jsrsasign-Online-Tools) | [DEMO](https://github.com/kjur/jsrsasign/wiki/jsrsasign-Demo) | [NODE TOOL](https://github.com/kjur/jsrsasign/wiki/Sample-Node-Tool-List) | [AddOn](https://github.com/kjur/jsrsasign/wiki/jsrsasign-Add-On)
 
 The 'jsrsasign' (RSA-Sign JavaScript Library) is an opensource free cryptography library supporting RSA/RSAPSS/ECDSA/DSA signing/validation, ASN.1, PKCS#1/5/8 private/public key, X.509 certificate, CRL, OCSP, CMS SignedData, TimeStamp, CAdES JSON Web Signature/Token/Key in pure JavaScript.