Removed amberc:helios task from Gruntfile

(helios is now moved to its own repo and has its own Gruntfile)

Gruntfile.js

@@ -48,19 +48,6 @@ module.exports = function(grunt) {
               ],
         jsGlobals: ['navigator']
       },
-      helios: {
-        output_dir : 'support/helios/src',
-        src: ['support/helios/src/Helios-Core.st', 'support/helios/src/Helios-Exceptions.st', 'support/helios/src/Helios-Announcements.st',
-              'support/helios/src/Helios-KeyBindings.st', 'support/helios/src/Helios-Layout.st',
-              'support/helios/src/Helios-Commands-Core.st', 'support/helios/src/Helios-Commands-Tools.st', 'support/helios/src/Helios-Commands-Browser.st',
-              'support/helios/src/Helios-References.st', 'support/helios/src/Helios-Inspector.st', 'support/helios/src/Helios-Browser.st',
-              'support/helios/src/Helios-Transcript.st', 'support/helios/src/Helios-Workspace.st', 'support/helios/src/Helios-Debugger.st',
-              'support/helios/src/Helios-Workspace-Tests.st'
-              ],
-        libraries: ['Web', 'SUnit'],
-        amd_namespace: 'helios',
-        jsGlobals: ['navigator']
-      },
       amber_kernel: {
         output_dir : 'src',
         src: ['src/Kernel-Objects.st', 'src/Kernel-Classes.st', 'src/Kernel-Methods.st', 'src/Kernel-Collections.st',