remove incident "priority" fields from the UI

It turns out that almost no one ever uses the priority field,
so let's dump it.

#1574

src/ims/element/incident/incident_template/template.xhtml

@@ -21,16 +21,16 @@
     </div>
   </div>
 
-  <!-- Incident number, state, priority -->
+  <!-- Incident number, state -->
 
   <div class="row py-1">
-    <div class="col-sm-4 py-1">
+    <div class="col-sm-6 py-1">
       <div class="input-group">
         <label class="control-label input-group-text">IMS #</label>
         <span id="incident_number" class="form-control form-control-static"/>
       </div>
     </div>
-    <div class="col-sm-4 py-1">
+    <div class="col-sm-6 py-1">
       <div class="input-group">
         <label for="incident_state" class="control-label input-group-text">State</label>
         <select
@@ -46,20 +46,6 @@
         </select>
       </div>
     </div>
-    <div class="col-sm-4 py-1">
-      <div class="input-group">
-        <label for="incident_priority" class="control-label input-group-text">Priority</label>
-        <select
-                id="incident_priority"
-                class="form-control form-select form-select-sm auto-width"
-                onchange="editPriority()"
-        >
-          <option value="1">High</option>
-          <option value="3">Normal</option>
-          <option value="5">Low</option>
-        </select>
-      </div>
-    </div>
   </div>
 
   <!-- Summary -->

src/ims/element/incident/incidents_template/template.xhtml

@@ -167,7 +167,6 @@
     <thead>
     <tr>
       <th>#</th>
-      <th><abbr title="Priority">Pri</abbr></th>
       <th>Created</th>
       <th>State</th>
       <th>Rangers</th>
@@ -180,7 +179,6 @@
     <tfoot>
     <tr>
       <th>#</th>
-      <th><abbr title="Priority">Pri</abbr></th>
       <th>Created</th>
       <th>State</th>
       <th>Rangers</th>

src/ims/element/static/ims.js

@@ -386,35 +386,6 @@ function selectOptionWithValue(select, value) {
 // Incident data
 //
 
-// Look up the name of a priority given its number (1-5).
-function priorityNameFromNumber(number) {
-    switch (number) {
-        case 1: return "High";
-        case 2: return "High";
-        case 3: return "Normal";
-        case 4: return "Low";
-        case 5: return "Low︎";
-        default:
-            console.warn("Unknown incident priority number: " + number);
-            return undefined;
-    }
-}
-
-
-// Look up the glyph for a priority given its number (1-5).
-function priorityIconFromNumber(number) {
-    switch (number) {
-        case 1: return '↑';
-        case 2: return '↑';
-        case 3: return '';
-        case 4: return '↓';
-        case 5: return '↓';
-        default:
-            console.warn("Unknown incident priority number: " + number);
-            return undefined;
-  }
-}
-
 
 // Look up a state's name given its ID.
 function stateNameFromID(stateID) {
@@ -654,19 +625,6 @@ function renderIncidentNumber(incidentNumber, type, incident) {
     return undefined;
 }
 
-function renderPriority(priorityNumber, type, incident) {
-    switch (type) {
-        case "display":
-            return priorityIconFromNumber(priorityNumber);
-        case "filter":
-            return priorityNameFromNumber(priorityNumber);
-        case "type":
-        case "sort":
-            return priorityNumber;
-    }
-    return undefined;
-}
-
 // e.g. "Wed, 8/28"
 const shortDate = new Intl.DateTimeFormat(undefined, {
     weekday: "short",

src/ims/element/static/incidents.js

@@ -242,51 +242,43 @@ function initDataTables() {
                 "cellType": "th",
             },
             {   // 1
-                "name": "incident_priority",
-                "className": "incident_priority text-center",
-                "data": "priority",
-                "defaultContent": null,
-                "searchable": false,
-                "render": renderPriority,
-            },
-            {   // 2
                 "name": "incident_created",
                 "className": "incident_created text-center",
                 "data": "created",
                 "defaultContent": null,
                 "render": renderDate,
             },
-            {   // 3
+            {   // 2
                 "name": "incident_state",
                 "className": "incident_state text-center",
                 "data": "state",
                 "defaultContent": null,
                 "render": renderState,
             },
-            {   // 4
+            {   // 3
                 "name": "incident_ranger_handles",
                 "className": "incident_ranger_handles",
                 "data": "ranger_handles",
                 "defaultContent": "",
                 "render": renderSafeSorted,
                 "width": "6em",
             },
-            {   // 5
+            {   // 4
                 "name": "incident_location",
                 "className": "incident_location",
                 "data": "location",
                 "defaultContent": "",
                 "render": renderLocation,
             },
-            {   // 6
+            {   // 5
                 "name": "incident_types",
                 "className": "incident_types",
                 "data": "incident_types",
                 "defaultContent": "",
                 "render": renderSafeSorted,
                 "width": "5em",
             },
-            {   // 7
+            {   // 6
                 "name": "incident_summary",
                 "className": "incident_summary",
                 "data": "summary",
@@ -295,8 +287,7 @@ function initDataTables() {
             },
         ],
         "order": [
-            [1, "asc"],
-            [2, "dsc"],
+            [1, "dsc"],
         ],
         "createdRow": function (row, incident, index) {
             row.addEventListener("click", function (e) {