Announcements: Update text on pages and posts to point to RSS feed

Author: harding

_includes/pages/list/announcement.html

@@ -1,6 +1 @@
-<form action="https://sendy.bitcoincore.org/subscribe" method="POST" accept-charset="utf-8" id="mailregform">
-    <input type="hidden" name="list" value="NkAKeRXqqhq763VNq4wM8921SA"/>
-
-    <input type="text" placeholder="Your email address" name="email" id="email"/>
-    <input type="submit" name="submit" id="submit"/>
-</form>
+[RSS](/en/announcements.xml)

_posts/en/pages/2016-03-21-rss.md

@@ -9,18 +9,18 @@ share: false
 version: 2
 ---
 <p>
-<a href="https://bitcoincore.org/en/announcements.xml" title="Bitcoin Core Announcements RSS Feed"><img src="/assets/images/rss-24x24.png" alt="Bitcoin Core Announcments RSS Feed"></a>
+<a href="/en/announcements.xml" title="Bitcoin Core Announcements RSS Feed"><img src="/assets/images/rss-24x24.png" alt="Bitcoin Core Announcments RSS Feed"></a>
 Security announcements and release announcements feed (English-only)
 </p>
 <p>
-<a href="https://bitcoincore.org/{{ page.lang }}/rss.xml" title="Bitcoin Core Blog RSS Feed"><img src="/assets/images/rss-24x24.png" alt="Bitcoin Core Blog RSS Feed"></a>
+<a href="/{{ page.lang }}/rss.xml" title="Bitcoin Core Blog RSS Feed"><img src="/assets/images/rss-24x24.png" alt="Bitcoin Core Blog RSS Feed"></a>
 Blog posts feed
 </p>
 <p>
-<a href="https://bitcoincore.org/{{ page.lang }}/meetingrss.xml" title="Bitcoin Core Meeting RSS Feed"><img src="/assets/images/rss-24x24.png" alt="Bitcoin Core Meeting RSS Feed"></a>
+<a href="/{{ page.lang }}/meetingrss.xml" title="Bitcoin Core Meeting RSS Feed"><img src="/assets/images/rss-24x24.png" alt="Bitcoin Core Meeting RSS Feed"></a>
 Meetings feed
 </p>
 <p>
-<a href="https://bitcoincore.org/{{ page.lang }}/releasesrss.xml" title="Bitcoin Core Releases RSS Feed"><img src="/assets/images/rss-24x24.png" alt="Bitcoin Core Releases RSS Feed"></a>
+<a href="/{{ page.lang }}/releasesrss.xml" title="Bitcoin Core Releases RSS Feed"><img src="/assets/images/rss-24x24.png" alt="Bitcoin Core Releases RSS Feed"></a>
 Releases feed
 </p>

_posts/en/pages/list/2016-03-10-announcements-join.md

@@ -10,15 +10,8 @@ version: 2
 ---
 Receive notification of important security announcements and releases for Bitcoin Core.
 
-Enter your email address below:
+Subscribe to the RSS feed below.
 
 {% include pages/list/announcement.html %}
 
 Low traffic for announcements only.
-
-Emails will be DKIM signed from bitcoincore.org and GPG signed by one of
-the following keys:
-
-{% include dev-keys.md %}
-
-{% include references.md %}

_posts/en/posts/2016-03-15-announcelist.md

@@ -7,17 +7,12 @@ name: announce-list
 tags: [bitcoin, bitcoin core, announcement list, updates]
 version: 2
 ---
-In an effort to increase communications, we are launching an opt-in, _announcement-only_ mailing-list for users of Bitcoin Core to receive notifications of security issues and new releases.
+In an effort to increase communications, we are now providing opt-in, _announcement-only_ information for users of Bitcoin Core to receive notifications of security issues and new releases.
 
-While the Bitcoin Core project has a variety of communication channels, this website, Twitter [@bitcoincoreorg][], there have been a number of requests for an [announcement mailing list](/en/list/announcements/join). It is intended to be extremely low volume, focused on critical notifications as well as to announce new releases.
+While the Bitcoin Core project has a variety of communication channels, there have been a number of requests for a method of receiving only important announcements.  This new source is intended to be extremely low volume, focused on critical notifications as well as to announce new releases.
 
-To subscribe, enter your email address below:
+If you use Bitcoin Core, please consider [subscribing][subscribe].
 
-{% include pages/list/announcement.html %}
-
-Emails will be DKIM signed from bitcoincore.org and GPG signed by one of
-the following keys:
-
-{% include dev-keys.md %}
+[subscribe]: /en/list/announcements/join
 
 {% include references.md %}

_posts/ja/pages/list/2016-03-10-announcements-join.md

@@ -6,16 +6,10 @@ type: pages
 layout: page
 lang: ja
 share: false
-version: 1
+version: 0
 ---
 Bitcoin Coreの重要なセキュリティのお知らせとリリースの通知を受け取ります。
 
-以下にメールアドレスを入力してください。
-
 {% include pages/list/announcement.html %}
 
 お知らせのみなので送信されるメールの量はわずかです。
-
-_メールは[Wladimir van der Laan][laanwj-key]および[Jonas Schnelli][jonasschnelli-key]、もしくは[Pieter Wuille][sipa-key]のGPGで署名され、bitcoincore.orgのDKIM署名がされています。_
-
-{% include references.md %}

_posts/zh_CN/pages/list/2016-03-10-announcements-join.md

@@ -10,12 +10,8 @@ version: 1
 ---
 接收来自比特币核心开发团队关于重要的安全通告及发布的通知。
 
-请输入您的邮箱地址：
-
 {% include pages/list/announcement.html %}
 
 仅通告低流量。
 
-_Emails will be GPG signed by [Wladimir van der Laan][laanwj-key], [Jonas Schnelli][jonasschnelli-key] or [Pieter Wullie][sipa-key] and DKIM signed from bitcoincore.org_.
-
-{% include references.md %}
+{% include references.md %}