Remove support for End Of Life (EOL) Fedora 22

Fedora 22 reaches its EOL on 19-JUL-2016[1].  Remove it as
officially supported distribution.

The current two supported Fedora distributions are Fedora 23 and Fedora
24.  (Change Ia4a58de4973ef228735c48b33453a0562dc65258 already added
support for Fedora 24.)

[1] https://fedoramagazine.org/fedora-22-end-of-life-2016-july/

Change-Id: I5b4e1ddb6165a9065e80e84175246678a7356f18
diff --git a/files/rpms/general b/files/rpms/general
index ee2e8a0..d0ceb56 100644
--- a/files/rpms/general
+++ b/files/rpms/general
@@ -7,9 +7,9 @@
 gettext  # used for compiling message catalogs
 git-core
 graphviz # needed only for docs
-iptables-services  # NOPRIME f22,f23,f24
+iptables-services  # NOPRIME f23,f24
 java-1.7.0-openjdk-headless  # NOPRIME rhel7
-java-1.8.0-openjdk-headless  # NOPRIME f22,f23,f24
+java-1.8.0-openjdk-headless  # NOPRIME f23,f24
 libffi-devel
 libjpeg-turbo-devel # Pillow 3.0.0
 libxml2-devel # lxml