Translation `unpin` incident -> `delete` incident (#4565)

src/lang/en.json

@@ -283,7 +283,6 @@
     "Please input title and content": "Please input title and content",
     "Created": "Created",
     "Last Updated": "Last Updated",
-    "Unpin": "Unpin",
     "Switch to Light Theme": "Switch to Light Theme",
     "Switch to Dark Theme": "Switch to Dark Theme",
     "Show Tags": "Show Tags",

src/pages/StatusPage.vue

@@ -229,7 +229,7 @@
 
                     <button v-if="!editIncidentMode && incident.id" class="btn btn-light me-2" @click="unpinIncident">
                         <font-awesome-icon icon="unlink" />
-                        {{ $t("Unpin") }}
+                        {{ $t("Delete") }}
                     </button>
                 </div>
             </div>