Remove bitcoin support

Stripe is dropping support on their end, too

config.ini.example

@@ -31,9 +31,6 @@ connection-string=postgresql://postgres@localhost/fosspay
 stripe-secret=
 stripe-publish=
 
-# Click here first: https://dashboard.stripe.com/account/bitcoin/enable
-enable-bitcoin=no
-
 # Separate with spaces
 default-amounts=3 5 10 20
 # Which one to pick when they arrive?

scripts/index.js

@@ -78,7 +78,6 @@
             description: donation.type == "monthly" ? "Monthly Donation" : "One-time Donation",
             panelLabel: "Donate {{amount}}",
             amount: donation.amount,
-            bitcoin: donation.type == "once" && window.bitcoin,
             token: function(token) {
                 e.target.setAttribute("disabled", "");
                 e.target.textContent = "Submitting...";

templates/index.html

@@ -4,7 +4,6 @@
 window.stripe_key = "{{ _cfg("stripe-publish") }}";
 window.avatar = "{{ avatar }}";
 window.your_name = "{{ _cfg("your-name") }}";
-window.bitcoin = "{{ _cfg("enable-bitcoin") }}" === "yes";
 window.default_amount = {{ _cfg("default-amount") }};
 window.default_type = "{{ _cfg("default-type") }}";
 {% if user %}
@@ -79,9 +78,6 @@ window.email = "{{user.email}}";
   <h3>How often?</h3>
   <div class="row">
     <div class="col-md-4 col-md-offset-4">
-      {% if _cfg("enable-bitcoin") == "yes" %}
-      <p class="text-muted"><small>Bitcoin is only supported for one-time donations.</small></p>
-      {% endif %}
       <div class="form-group">
         <div class="btn-group btn-group-justified frequencies" role="group" aria-label="...">
           <div class="btn-group" role="group">