var currencies = require('../data/currencies.js');
module.exports = {
  stripe: Object.keys(currencies),
  paypal: Object.keys(currencies).filter(function(i) {
    if (!currencies[i].hasOwnProperty('disabled')) {
      return i;
    }
  })
};

@@ -161,13 +161,15 @@
     
-if (!
+return 
 curr
@@ -182,59 +182,30 @@
 %5Bi%5D.
-hasOwnProperty('disabled')) %7B%0A      return i;%0A    %7D
+disabled !== 'paypal';
 %0A  %7D

Update the logic