send_later: Remove send_later_input_group.

This removes the HTML structure and CSS styles previously associated
with the element in the scheduling modal.

Preserving this all in its own commit in case it needs to be
restored.

web/styles/dark_theme.css

@@ -888,12 +888,6 @@
         color: inherit;
     }
 
-    #send_later_modal .send_later_input_group .send_later_date_input {
-        opacity: 0.8;
-        color: hsl(0deg 0% 100%);
-        background-color: hsl(0deg 0% 0% / 20%);
-    }
-
     .nav-list > li > a,
     .nav-list .nav-header {
         text-shadow: none;

web/styles/popovers.css

@@ -867,18 +867,4 @@ ul {
     .modal__content {
         padding-bottom: 16px;
     }
-
-    .send_later_input_group {
-        display: flex;
-
-        .send_later_date_input {
-            width: 100%;
-            cursor: pointer;
-            background: hsl(0deg 0% 100%);
-
-            &:focus {
-                box-shadow: none;
-            }
-        }
-    }
 }

web/templates/send_later_modal.hbs

@@ -8,10 +8,6 @@
                 <button class="modal__close" aria-label="{{t 'Close modal' }}" data-micromodal-close></button>
             </header>
             <main class="modal__content">
-                <div class="send_later_input_group">
-                    <input class="send_later_date_input" type="text" placeholder="{{t 'Select Date and time' }}" readonly="readonly"
-                      {{#if formatted_send_later_time }}value="{{formatted_send_later_time}}"{{/if}} />
-                </div>
                 <div class="send_later_options">
                     <ul class="nav nav-list">
                         {{#if possible_send_later_today}}