Remove FairEmail (#1270)

docs/assets/img/email-clients/fairemail.svg

@@ -1,2 +0,0 @@
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docs/email-clients.en.md

@@ -107,22 +107,6 @@ Our recommendation list contains email clients that support both [OpenPGP](encry
         - [:pg-f-droid: F-Droid](https://f-droid.org/packages/com.fsck.k9)
         - [:fontawesome-brands-github: Source](https://github.com/k9mail)
 
-## FairEmail
-
-!!! recommendation
-
-    ![FairEmail logo](assets/img/email-clients/fairemail.svg){ align=right }
-
-    **FairEmail** is a minimal, open source email app, using open standards (IMAP, SMTP, OpenPGP) with a low data and battery usage.
-
-    [Homepage](https://email.faircode.eu){ .md-button .md-button--primary } [Privacy Policy](https://github.com/M66B/FairEmail/blob/master/PRIVACY.md){ .md-button }
-
-    ??? downloads
-
-        - [:fontawesome-brands-google-play: Google Play](https://play.google.com/store/apps/details?id=eu.faircode.email)
-        - [:pg-f-droid: F-Droid](https://f-droid.org/packages/eu.faircode.email/)
-        - [:fontawesome-brands-github: Source](https://github.com/M66B/FairEmail)
-
 ## Canary Mail
 
 !!! recommendation

docs/encryption.en.md

@@ -297,7 +297,7 @@ When encrypting with PGP, you have the option to configure different options in
 
     ![OpenKeychain logo](assets/img/encryption-software/openkeychain.svg){ align=right }
 
-    **OpenKeychain** is an Android implementation of GnuPG. It's commonly required by mail clients such as [K-9 Mail](email-clients.md#k-9-mail) and [FairEmail](email-clients.md#fairemail) and other Android apps to provide encryption support. Cure53 completed a [security audit](https://www.openkeychain.org/openkeychain-3-6) of OpenKeychain 3.6 in October 2015. Technical details about the audit and OpenKeychain's solutions can be found [here](https://github.com/open-keychain/open-keychain/wiki/cure53-Security-Audit-2015).
+    **OpenKeychain** is an Android implementation of GnuPG. It's commonly required by mail clients, such as [K-9 Mail](email-clients.md#k-9-mail), and other Android apps to provide encryption support. Cure53 completed a [security audit](https://www.openkeychain.org/openkeychain-3-6) of OpenKeychain 3.6 in October 2015. Technical details about the audit and OpenKeychain's solutions can be found [here](https://github.com/open-keychain/open-keychain/wiki/cure53-Security-Audit-2015).
 
     [Homepage](https://www.openkeychain.org){ .md-button .md-button--primary } [Privacy Policy](https://www.openkeychain.org/help/privacy-policy){ .md-button }
 

docs/tools.en.md

@@ -233,7 +233,6 @@ We [recommend](dns.md#recommended-providers) a number of encrypted DNS servers b
 - ![Kontact logo](assets/img/email-clients/kontact.svg){ .twemoji } [Kontact (Linux)](https://kontact.kde.org/)
 - ![Mailvelope logo](assets/img/email-clients/mailvelope.svg){ .twemoji } [Mailvelope (PGP in standard webmail)](https://www.mailvelope.com/)
 - ![K-9 Mail logo](assets/img/email-clients/k9mail.svg){ .twemoji } [K-9 Mail (Android)](https://k9mail.app/)
-- ![FairEmail logo](assets/img/email-clients/fairemail.svg){ .twemoji } [FairEmail (Android)](https://email.faircode.eu/)
 - ![Canary Mail logo](assets/img/email-clients/canarymail.svg){ .twemoji } [Canary Mail (iOS)](https://canarymail.io/)
 - ![NeoMutt logo](assets/img/email-clients/mutt.svg){ .twemoji } [NeoMutt (CLI)](https://neomutt.org/)