Remove now-unused assets and CSS from CompleteSecurity step

res/css/structures/auth/_CompleteSecurity.scss

@@ -26,50 +26,6 @@ limitations under the License.
     position: relative;
 }
 
-.mx_CompleteSecurity_clients {
-    width: max-content;
-    margin: 36px auto 0;
-
-    .mx_CompleteSecurity_clients_desktop, .mx_CompleteSecurity_clients_mobile {
-        position: relative;
-        width: 160px;
-        text-align: center;
-        padding-top: 64px;
-        display: inline-block;
-
-        &::before {
-            content: '';
-            position: absolute;
-            height: 48px;
-            width: 48px;
-            left: 56px;
-            top: 0;
-            background-color: $muted-fg-color;
-            mask-repeat: no-repeat;
-            mask-size: contain;
-        }
-    }
-
-    .mx_CompleteSecurity_clients_desktop {
-        margin-right: 56px;
-    }
-
-    .mx_CompleteSecurity_clients_desktop::before {
-        mask-image: url('$(res)/img/feather-customised/monitor.svg');
-    }
-
-    .mx_CompleteSecurity_clients_mobile::before {
-        mask-image: url('$(res)/img/feather-customised/smartphone.svg');
-    }
-
-    p {
-        margin-top: 16px;
-        font-size: $font-12px;
-        color: $muted-fg-color;
-        text-align: center;
-    }
-}
-
 .mx_CompleteSecurity_heroIcon {
     width: 128px;
     height: 128px;

res/img/feather-customised/monitor.svg

@@ -1,5 +0,0 @@
-<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
-<path fill-rule="evenodd" clip-rule="evenodd" d="M2 5C2 3.89543 2.89543 3 4 3H20C21.1046 3 22 3.89543 22 5V15C22 16.1046 21.1046 17 20 17H4C2.89543 17 2 16.1046 2 15V5Z" stroke="#2E2F32" stroke-linecap="round" stroke-linejoin="round"/>
-<path d="M8 21H16" stroke="#2E2F32" stroke-linecap="round" stroke-linejoin="round"/>
-<path d="M12 17V21" stroke="#2E2F32" stroke-linecap="round" stroke-linejoin="round"/>
-</svg>

res/img/feather-customised/smartphone.svg

@@ -1,4 +0,0 @@
-<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
-<path fill-rule="evenodd" clip-rule="evenodd" d="M5 4C5 2.89543 5.89543 2 7 2H17C18.1046 2 19 2.89543 19 4V20C19 21.1046 18.1046 22 17 22H7C5.89543 22 5 21.1046 5 20V4Z" stroke="#2E2F32" stroke-linecap="round" stroke-linejoin="round"/>
-<circle cx="12" cy="18" r="1" fill="#2E2F32"/>
-</svg>