taiga: retire old taiga cloud instances, everything should be using teams.fedoraproject.org now.

Signed-off-by: Kevin Fenzi <kevin@scrye.com>

roles/apps-fp-o/files/apps.yaml

@@ -695,16 +695,6 @@ children:
                 engineering *should* be producing and 2) all of the artifacts
                 taht release engineering *did* produce.  The web interface isn't
                 much to write home about, but the API is where it's at.
-    -   name:   Taiga
-        data:
-            icon:   taiga.png
-            url:    https://taiga.fedorainfracloud.org/
-            description: >
-                 Taiga is a very pretty project management platform that we've
-                 been messing around with.  Feel free to use it.  We backup the
-                 database, but we don't necessarily support it yet with the same
-                 kind of focus that we dedicate to our other services.  If you
-                 run into problems with it, let us know!
     -   name:   Ipsilon
         data:
             icon: