Merge pull request #18402 from twbs/fix-18338

s/grunt-sed/npm script/

Gruntfile.js

@@ -388,17 +388,6 @@ module.exports = function (grunt) {
       }
     },
 
-    sed: {
-      versionNumber: {
-        pattern: (function () {
-          var old = grunt.option('oldver');
-          return old ? RegExp.quote(old) : old;
-        })(),
-        replacement: grunt.option('newver'),
-        recursive: true
-      }
-    },
-
     'saucelabs-qunit': {
       all: {
         options: {
@@ -520,11 +509,6 @@ module.exports = function (grunt) {
   // Default task.
   grunt.registerTask('default', ['clean:dist', 'test']);
 
-  // Version numbering task.
-  // grunt change-version-number --oldver=A.B.C --newver=X.Y.Z
-  // This can be overzealous, so its changes should always be manually reviewed!
-  grunt.registerTask('change-version-number', 'sed');
-
   grunt.registerTask('commonjs', ['babel:umd', 'npm-js']);
 
   grunt.registerTask('npm-js', 'Generate npm-js entrypoint module in dist dir.', function () {