Revert "disable h2 again for now until we can get curl fixed in f28 and f27 to handle correctly h2 goaway responses. See d122df5972 and https://bugzilla.redhat.com/show_bug.cgi?id=1585797 and https://pagure.io/releng/issue/7550"

This reverts commit 1bb844c9f0.

files/httpd/h2.conf.j2

@@ -1,2 +1 @@
-Protocols http/1.1
-#Protocols h2 {% if not inventory_hostname.startswith('proxy') %} h2c {% endif %} http/1.1
+Protocols h2 {% if not inventory_hostname.startswith('proxy') %} h2c {% endif %} http/1.1

roles/httpd/website/templates/website.conf

@@ -33,8 +33,7 @@
   ServerAdmin {{ server_admin }}
 
 {% if ansible_distribution == 'Fedora' %}
-  Protocols http/1.1
-#  Protocols h2 http/1.1
+  Protocols h2 http/1.1
 {% endif %}
 
 {% if gzip %}