chore: cleanup dead code

Author: panva

lib/helpers/keystore.js

@@ -52,7 +52,7 @@ function getAlgorithms(use, alg, kty, crv) {
         switch (crv) {
           case 'P-256':
           case 'P-384':
-            algs = algs.concat([`ES${crv.slice(-3)}`.replace('21', '12')]);
+            algs = algs.concat([`ES${crv.slice(-3)}`]);
             break;
           case 'P-521':
             algs = algs.concat(['ES512']);