Merge pull request #5518 from magento/db_remove_mcrypt

Removing troubleshooting topic. mcrypt removed from PHP 7.2.

Author: dobooth

_data/toc/installation-guide.yml

@@ -410,9 +410,6 @@ pages:
             - label: PHP settings errors
               url: /install-gde/trouble/php/tshoot_php-set.html
 
-            - label: The PHP mcrypt extension is not installed properly
-              url: /install-gde/trouble/php/tshoot_mcrypt.html
-
             - label: During installation, PHP date warning
               url: /install-gde/trouble/php/tshoot_php-date.html
 

guides/v2.2/install-gde/trouble/php/tshoot_php-main.md

@@ -11,7 +11,6 @@ functional_areas:
   - Setup
 ---
 
-* [PHP settings errors]({{ page.baseurl }}/install-gde/trouble/php/tshoot_php-set.html)
-* [The PHP mcrypt extension is not installed properly]({{ page.baseurl }}/install-gde/trouble/php/tshoot_mcrypt.html)
-* [During installation, PHP date warning]({{ page.baseurl }}/install-gde/trouble/php/tshoot_php-date.html)
-* [Resolve an illegal offset error]({{ page.baseurl }}/install-gde/trouble/php/tshoot_opcache.html)
+* . [PHP settings errors]({{ page.baseurl }}/install-gde/trouble/php/tshoot_php-set.html)
+* . [During installation, PHP date warning]({{ page.baseurl }}/install-gde/trouble/php/tshoot_php-date.html)
+* . [Resolve an illegal offset error]({{ page.baseurl }}/install-gde/trouble/php/tshoot_opcache.html)