Website: update /device-management page (#46618)

Closes: https://github.com/fleetdm/fleet/issues/45686

Changes:
- updated layout and content of the /device-management page to match the
latest positioning/wireframes

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **New Features**
* Added testimonial block with scrollable tweets and responsive brand
logo grid
* Introduced new feature sections: patching, real-time compliance,
change management, transparency, and flexible deployment

* **Updates**
* Full redesign of the device management page: layout, typography,
spacing, responsive behavior, and testimonial/tweet styling
  * Updated hero copy and primary CTA to “Talk to an engineer”

* **Removals**
* Removed desktop/mobile comparison table, legacy feature blocks, video
modal, and swag request form
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

website/api/controllers/view-device-management.js

@@ -62,22 +62,10 @@ module.exports = {
       });
     }//fi
 
-    let showSwagForm = false;
-    // Due to shipping costs, we'll check the requesting user's cf-ipcountry to see if they're in the US, and their cf-iplongitude header to see if they're in the contiguous US.
-    if(sails.config.environment === 'production') {
-      // Log a warning if the cloudflare headers we use are missing in production.
-      if(!this.req.get('cf-ipcountry') || !this.req.get('cf-iplongitude')) {
-        sails.log.warn('When a user visted the device management page, the Cloudflare header we use to determine if they are visiting from the contiguous United States is missing.');
-      }
-    }
-    if(this.req.get('cf-ipcountry') === 'US' && this.req.get('cf-iplongitude') > -125) {
-      showSwagForm = true;
-    }
 
     // Respond with view.
     return {
       testimonialsForScrollableTweets,
-      showSwagForm,
     };
 
   }

website/assets/js/pages/device-management.page.js

@@ -3,19 +3,7 @@ parasails.registerPage('device-management-page', {
   //  ║║║║║ ║ ║╠═╣║    ╚═╗ ║ ╠═╣ ║ ║╣
   //  ╩╝╚╝╩ ╩ ╩╩ ╩╩═╝  ╚═╝ ╩ ╩ ╩ ╩ ╚═╝
   data: {
-    modal: '',
-    comparisonMode: 'omnissa',
-    comparisonModeFriendlyNames: {
-      jamf: 'Jamf Pro',
-      sccm: 'SCCM',
-      omnissa: 'Workspace ONE',
-      intune: 'Intune',
-      tanium: 'Tanium',
-      ansible: 'Ansible',
-      puppet: 'Puppet',
-      chef: 'Chef',
-      patchmypc: 'PatchMyPC'
-    }
+    //…
   },
 
   //  ╦  ╦╔═╗╔═╗╔═╗╦ ╦╔═╗╦  ╔═╗
@@ -24,40 +12,14 @@ parasails.registerPage('device-management-page', {
   beforeMount: function() {
     //…
   },
-  mounted: async function() {
-    $('[data-toggle="tooltip"]').tooltip({
-      container: '#device-management-page',
-      trigger: 'hover',
-    });
+  mounted: function() {
+    //…
   },
 
   //  ╦╔╗╔╔╦╗╔═╗╦═╗╔═╗╔═╗╔╦╗╦╔═╗╔╗╔╔═╗
   //  ║║║║ ║ ║╣ ╠╦╝╠═╣║   ║ ║║ ║║║║╚═╗
   //  ╩╝╚╝ ╩ ╚═╝╩╚═╩ ╩╚═╝ ╩ ╩╚═╝╝╚╝╚═╝
   methods: {
-    clickOpenVideoModal: function(modalName) {
-      this.modal = modalName;
-    },
-    closeModal: function() {
-      this.modal = undefined;
-    },
-    clickSwitchComparisonTableColumn: async function(option){
-      this.comparisonMode = option;
-      await setTimeout(()=>{
-        $('[data-toggle="tooltip"]').tooltip({
-          container: '#device-management-page',
-          trigger: 'hover',
-        });
-      }, 250);
-    },
-    clickSwagRequestCTA: function () {
-      if(window.gtag !== undefined){
-        gtag('event','fleet_website__swag_request');
-      }
-      if(window.lintrk !== undefined) {
-        window.lintrk('track', { conversion_id: 18587105 });// eslint-disable-line camelcase
-      }
-      this.goto('https://kqphpqst851.typeform.com/to/ZfA3sOu0#from_page=device-managment');
-    },
+    //…
   }
 });