delete unused files

app/controllers/static_pages_controller.rb

-class StaticPagesController < ApplicationController
-  def index
-    @cities = City.page(params[:page]).per(Settings.col.page.per)
-    @industries = Industry.page(params[:page]).per(Settings.col.page.per)
-    @jobs = Job.page(params[:page]).per(Settings.table.page.per)
-  end
-end

app/views/static_pages/index.html.erb

-<% provide(:title, "Top Page") %>
-
-<div class="center jumbotron">
-  <div class="banner">
-    <%= image_tag ("skyline_darker.jpg") %>
-  </div>
-
-  <h2>Total jobs: <%= Job.count %></h2>
-
-  <div class="search"></div>
-
-  <div class="lastest_jobs">
-    <h3>Latest jobs</h3>
-
-    <table class="table">
-      <tbody>
-        <ul class="table">
-          <%= render partial: "jobs/job", collection: @jobs %>
-        </ul>
-      </tbody>
-    </table>
-    <%= paginate @jobs %>
-  </div>
-
-  <div class="top_cities">
-    <h3>Top cities</h3>
-
-    <div class="container">
-      <div class="row row-cols-5">
-        <%= render partial: "cities/city", collection: @cities %>
-      </div>
-    </div>
-    <%= paginate @cities %>
-  </div>
-
-  <div class="top_industries">
-    <h3>Top industries</h3>
-
-    <div class="container">
-      <div class="row row-cols-5">
-        <%= render partial: "industries/industry", collection: @industries %>
-      </div>
-    </div>
-    <%= paginate @industries %>
-  </div>
-</div>