jobs: rename /delayed_jobs to /jobs.

Rename the /delayed_jobs endpoint to just /jobs since it's no longer
based on DelayedJob.

app/views/jobs/cancel.js.erb

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+location.reload();

app/views/jobs/destroy.js.erb

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+location.reload();

app/views/jobs/index.html.erb

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+<div id="c-jobs">
+  <div id="a-index">
+    <h1>Jobs</h1>
+
+    <%= table_for @jobs, class: "striped autofit" do |t| %>
+      <% t.column "Name" do |job| %>
+        <%= job.job_class.titleize.delete_suffix(" Job") %>
+      <% end %>
+
+      <% t.column "Details", td: { class: "col-expand" } do |job| %>
+        <%= job.serialized_params["arguments"] %>
+      <% end %>
+
+      <% t.column "Error", td: { class: "col-expand" } do |job| %>
+        <% if job.error.present? %>
+          <%= job.error %>
+        <% end %>
+      <% end %>
+
+      <% t.column "Attempts" do |job| %>
+        <%= job.executions_count %>
+      <% end %>
+
+      <% t.column :status %>
+
+      <% t.column "Created" do |job| %>
+        <%= time_ago_in_words_tagged(job.created_at) %>
+      <% end %>
+
+      <% t.column column: "control" do |job| %>
+        <% if GoodJobPolicy.new(CurrentUser.user, job).update? %>
+          <%= link_to "Run", run_job_path(job), method: :put, remote: true %> |
+          <%= link_to "Retry", retry_job_path(job), method: :put, remote: true %> |
+          <%= link_to "Cancel", cancel_job_path(job), method: :put, remote: true %> |
+          <%= link_to "Delete", job_path(job), method: :delete, remote: true %>
+        <% end %>
+      <% end %>
+    <% end %>
+
+    <%= numbered_paginator(@jobs) %>
+  </div>
+</div>

app/views/jobs/retry.js.erb

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+location.reload();

app/views/jobs/run.js.erb

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+location.reload();