Remove out dated Enterprise landing page

We now just redirect to the QE plans page

Fixes https://www.pivotaltracker.com/story/show/142166263

static/js/pages/enterprise.js

@@ -1,18 +0,0 @@
-(function() {
-  /**
-   * Enterprise marketing page.
-   */
-  angular.module('quayPages').config(['pages', function(pages) {
-    pages.create('enterprise', 'enterprise.html', EnterpriseCtrl, {
-      'title': 'Quay Enterprise',
-      'description': 'Quay Enterprise'
-    });
-
-    function EnterpriseCtrl($scope, $location, UserService, PlanService, $routeParams) {
-        $scope.qeStartTrial = function(plan) {
-          $scope.currentQEPlan = plan;
-          $('#tectonicManagerDialog').modal('show');
-        };
-    }
-  }]);
-}());