Revert "Grunt: Replace custom rimraf-based clean task with grunt-contrib's clean task"

This reverts commit 38aac3770cc1e22e5e7225b90c47b37d857be13a.

As long as grunt-contrib has a coffeescript dependency, we won't use it.

1 files changed, 4 insertions, 0 deletions

diff --git a/build/tasks/build.js b/build/tasks/build.js
index e879c1c99..51c2fefdb 100644
--- a/build/tasks/build.js
+++ b/build/tasks/build.js
@@ -181,6 +181,10 @@ grunt.registerTask( "copy_themes", function() {
 	});
 });
 
+grunt.registerTask( "clean", function() {
+	require( "rimraf" ).sync( "dist" );
+});
+
 grunt.registerTask( "authors", function() {
 	var done = this.async();