Remove unnecessary stuff (#1015)

* Remove licenses for previously bundled packages

* Remove utils module with duplicate function

* Remove unused function check_reqs.check_ant

* Remove unused test helper

bin/templates/cordova/lib/check_reqs.js

@@ -98,18 +98,6 @@ module.exports.get_target = function () {
     return target;
 };
 
-// Returns a promise. Called only by build and clean commands.
-module.exports.check_ant = function () {
-    return execa('ant', ['-version']).then(({ stdout: output }) => {
-        // Parse Ant version from command output
-        return /version ((?:\d+\.)+(?:\d+))/i.exec(output)[1];
-    }).catch(function (err) {
-        if (err) {
-            throw new CordovaError('Failed to run `ant -version`. Make sure you have `ant` on your $PATH.');
-        }
-    });
-};
-
 module.exports.get_gradle_wrapper = function () {
     var androidStudioPath;
     var i = 0;