Remove priority icon from issue rows across the app

Priority is still supported as a feature (editable in issue properties,
used in filters), but no longer shown prominently in every issue row.
Affects inbox, issues list, my issues, and dashboard pages.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

ui/src/pages/MyIssues.tsx

@@ -5,7 +5,7 @@ import { useCompany } from "../context/CompanyContext";
 import { useBreadcrumbs } from "../context/BreadcrumbContext";
 import { queryKeys } from "../lib/queryKeys";
 import { StatusIcon } from "../components/StatusIcon";
-import { PriorityIcon } from "../components/PriorityIcon";
+
 import { EntityRow } from "../components/EntityRow";
 import { EmptyState } from "../components/EmptyState";
 import { PageSkeleton } from "../components/PageSkeleton";
@@ -56,10 +56,7 @@ export function MyIssues() {
               title={issue.title}
               to={`/issues/${issue.identifier ?? issue.id}`}
               leading={
-                <>
-                  <PriorityIcon priority={issue.priority} />
-                  <StatusIcon status={issue.status} />
-                </>
+                <StatusIcon status={issue.status} />
               }
               trailing={
                 <span className="text-xs text-muted-foreground">