ISTWCMS-7158: remove CSS for things the emergency notification won't have

src/patterns/03-layouts/emergency-notification/_emergency-notification.scss

@@ -36,15 +36,7 @@
       p:last-of-type {
         margin-bottom: 0;
       }
-
-      .emergency-notification__heading {
-        @include heading-2();
-      }
-      .emergency-notification__date {
-        font-family: var(--font-systemmedium);
-        font-size: var(--font-size-0);
-        margin: var(--size-05) 0;
-      }
+      
     }
   }
 
@@ -92,26 +84,6 @@
           color: var(--uw-white);
         }
 
-        .emergency-notification__heading {
-          @include heading-2();
-          color: var(--uw-white);
-          font-family: var(--font-systemmedium);
-          font-size: var(--font-size-2);
-          margin: var(--size-1) 0 var(--size-2) 0;
-          line-height: 1.25;
-        }
-
-        .emergency-notification__date {
-          background: var(--uw-white);
-          color: var(--uw-alert);
-          display: inline-block;
-          font-family: var(--font-systemmedium);
-          font-size: var(--font-size-1);
-          padding: var(--size-05) var(--size-1);
-          text-transform: uppercase;
-          margin: var(--size-105) 0 0 0;
-        }
-
         .emergency-notification__content {
           * {
             font-family: var(--font-systemmedium);