Remove some outdated resources

_includes/legacy/sections/dns.html

@@ -542,7 +542,6 @@ We also log how many times this or that tracker has been blocked. We need this i
   image="/assets/img/legacy_svg/3rd-party/unbound.svg"
   description='A validating, recursive, caching DNS resolver, supporting DNS-over-TLS, and has been <a href="https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/">independently audited</a>.'
   website="https://nlnetlabs.nl/projects/unbound/about/"
-  forum="https://forum.privacytools.io/t/discussion-unbound/3563"
   github="https://github.com/NLnetLabs/unbound"
 %}
 
@@ -552,7 +551,6 @@ We also log how many times this or that tracker has been blocked. We need this i
   image="/assets/img/legacy_svg/3rd-party/dnscrypt-proxy.svg"
   description='A DNS proxy with support for DNSCrypt, DNS-over-HTTPS, and <a href="https://github.com/DNSCrypt/dnscrypt-protocol/blob/master/ANONYMIZED-DNSCRYPT.txt">Anonymized DNSCrypt</a>, a <a href="https://github.com/DNSCrypt/dnscrypt-proxy/wiki/Anonymized-DNS">relay-based protocol that the hides client IP address.</a>'
   website="https://github.com/DNSCrypt/dnscrypt-proxy/wiki"
-  forum="https://forum.privacytools.io/t/discussion-dnscrypt-proxy/1498"
   github="https://github.com/DNSCrypt/dnscrypt-proxy"
 %}
 
@@ -562,7 +560,6 @@ We also log how many times this or that tracker has been blocked. We need this i
   image="/assets/img/legacy_png/3rd-party/stubby.png"
   description='An application that acts as a local DNS-over-TLS stub resolver. Stubby can be used in <a href="https://dnsprivacy.org/wiki/display/DP/DNS+Privacy+Clients#DNSPrivacyClients-Unbound/Stubbycombination">combination with Unbound</a> by managing the upstream TLS connections (since Unbound cannot yet re-use TCP/TLS connections) with Unbound providing a local cache.'
   website="https://dnsprivacy.org/wiki/display/DP/DNS+Privacy+Daemon+-+Stubby"
-  forum="https://forum.privacytools.io/t/discussion-stubby/3582"
   github="https://github.com/getdnsapi/stubby"
 %}
 
@@ -574,7 +571,6 @@ We also log how many times this or that tracker has been blocked. We need this i
   labels="color==warning::icon==fas fa-exclamation-triangle::link==https://developers.cloudflare.com/1.1.1.1/privacy/firefox::text==Warning::tooltip==Cloudflare logs a limited amount of data about the DNS requests that are sent to their custom resolver for Firefox."
   website="https://support.mozilla.org/en-US/kb/firefox-dns-over-https"
   privacy-policy="https://wiki.mozilla.org/Security/DOH-resolver-policy"
-  forum="https://forum.privacytools.io/t/discussion-firefox-s-built-in-dns-over-https-resolver/3564"
 %}
 
 <h1 id="dns-android-clients" class="anchor">
@@ -590,7 +586,6 @@ We also log how many times this or that tracker has been blocked. We need this i
   description="Android 9 (Pie) comes with built-in DNS-over-TLS support without the need for a 3rd-party application."
   labels="color==warning::icon==fas fa-exclamation-triangle::link==https://developers.google.com/speed/public-dns/docs/using#android_9_pie_or_later::text==Warning::tooltip==Android 9's DoT settings have no effect when used concurrently with VPN-based apps which override the DNS."
   website="https://support.google.com/android/answer/9089903#private_dns"
-  forum="https://forum.privacytools.io/t/discussion-android-9s-built-in-dns-over-tls-resolver/3562"
 %}
 
 {%
@@ -600,7 +595,6 @@ We also log how many times this or that tracker has been blocked. We need this i
   description='An open-source Android client supporting DNS-over-HTTPS and DNS-over-TLS, caching DNS responses, and locally logging DNS queries.'
   website="https://git.frostnerd.com/PublicAndroidApps/smokescreen/-/blob/master/README.md"
   privacy-policy="https://smokescreen.app/privacypolicy"
-  forum="https://forum.privacytools.io/t/discussion-nebulo/3565"
   fdroid="https://git.frostnerd.com/PublicAndroidApps/smokescreen#f-droid"
   googleplay="https://play.google.com/store/apps/details?id=com.frostnerd.smokescreen"
   source="https://git.frostnerd.com/PublicAndroidApps/smokescreen"
@@ -619,7 +613,6 @@ We also log how many times this or that tracker has been blocked. We need this i
   description='An open-source iOS client supporting DNS-over-HTTPS, DNSCrypt, and <a href="https://github.com/DNSCrypt/dnscrypt-proxy/wiki">dnscrypt-proxy</a> options such as caching DNS responses, locally logging DNS queries, and custom block lists. Users can <a href="https://blog.privacytools.io/adding-custom-dns-over-https-resolvers-to-dnscloak/">add custom resolvers by DNS stamp</a>.'
   website="https://github.com/s-s/dnscloak/blob/master/README.md"
   privacy-policy="https://drive.google.com/file/d/1050No_pU74CAWUS5-BwQWyO2x_aiMzWc/view"
-  forum="https://forum.privacytools.io/t/discussion-dnscloak/3566"
   ios="https://apps.apple.com/app/id1452162351"
   github="https://github.com/s-s/dnscloak"
 %}