Remove canvas blocker (#259)

_includes/legacy/sections/browser-addons.html

@@ -128,19 +128,3 @@
   firefox="https://addons.mozilla.org/firefox/addon/cookie-autodelete"
   chrome="https://chrome.google.com/webstore/detail/cookie-autodelete/fhcgjolkccmbidfldomjliifgaodjagh"
 %}
-
-<h3>For Advanced Users</h3>
-
-<div class="alert alert-warning" role="alert">
-  These addons require quite a lot of interaction from the user, and some of them completely replace the add-ons we've recommended above. Some sites may not work properly without careful configuration.
-</div>
-
-{% include legacy/cardv2.html
-  title="CanvasBlocker"
-  image="/assets/img/legacy_svg/3rd-party/canvasblocker.svg"
-  description="<strong>CanvasBlocker</strong> allows users to prevent websites from using some Javascript APIs to fingerprint them. Users can choose to block the APIs entirely on some or all websites (which may break some websites) or just block or fake its fingerprinting-friendly readout API."
-  website="https://github.com/kkapsner/CanvasBlocker/"
-  privacy-policy="https://addons.mozilla.org/firefox/addon/canvasblocker/privacy/"
-  github="https://github.com/kkapsner/CanvasBlocker/"
-  firefox="https://addons.mozilla.org/firefox/addon/canvasblocker/"
-%}