Remove special link class

This cleans up the code quite a bit, but also allows links in editable
content to be rendered with the default style.

app/views/admin/users/index.html.erb

@@ -42,7 +42,7 @@
       <tbody>
         <% @users.each do |user| %>
         <tr>
-          <td><%= link_to(user.cn, admin_user_path(user.cn), class: 'ks-text-link') %></td>
+          <td><%= link_to(user.cn, admin_user_path(user.cn)) %></td>
           <td>
             <%= user.confirmed_at.nil? ? badge("pending", :yellow) : "" %>
             <% if @show_contributors %><%= @contributors.include?(user.cn) ? badge("contributor", :green) : "" %><% end %>

app/views/admin/users/show.html.erb

@@ -47,7 +47,7 @@
             <th>Donations</th>
             <td>
             <% if @user.donations.any? %>
-              <%= link_to admin_donations_path(username: @user.cn), class: "ks-text-link" do %>
+              <%= link_to admin_donations_path(username: @user.cn) do %>
                 <%= @user.donations.completed.count %> for
                 <%= number_with_delimiter @user.donations.completed.sum("amount_sats") %> sats
               <% end %>
@@ -60,7 +60,7 @@
             <th>Invited by</th>
             <td>
             <% if @user.inviter %>
-              <%= link_to @user.inviter.cn, admin_user_path(@user.inviter.cn), class: 'ks-text-link' %>
+              <%= link_to @user.inviter.cn, admin_user_path(@user.inviter.cn) %>
             <% else %>&mdash;<% end %>
             </td>
           </tr>
@@ -102,10 +102,10 @@
             <% if @invitees.any? %>
               <ul class="mb-0">
               <% @recent_invitees.each do |invitee| %>
-                <li class="leading-none mb-2 last:mb-0"><%= link_to invitee.cn, admin_user_path(invitee.cn), class: "ks-text-link" %></li>
+                <li class="leading-none mb-2 last:mb-0"><%= link_to invitee.cn, admin_user_path(invitee.cn) %></li>
               <% end %>
               <% if @more_invitees > 0 %>
-                <li>and <%= link_to "#{@more_invitees} more", admin_invitations_path(username: @user.cn), class: "ks-text-link" %></li>
+                <li>and <%= link_to "#{@more_invitees} more", admin_invitations_path(username: @user.cn) %></li>
               <% end %>
               </ul>
             <% else %>&mdash;<% end %>
@@ -168,7 +168,7 @@
                 <span class="font-mono" title="<%= @user.pgp_fpr %>">
                   <% if @user.pgp_pubkey_contains_user_address? %>
                     <%= link_to wkd_key_url(hashed_username: @user.wkd_hash, l: @user.cn, format: :txt),
-                      class: "ks-text-link", target: "_blank" do %>
+                      target: "_blank" do %>
                       <%= "#{@user.pgp_fpr[0, 8]}…#{@user.pgp_fpr[-8..-1]}" %>
                     <% end %>
                   <% else %>