Remove travis irc notifications entirely

.travis.yml

@@ -183,14 +183,3 @@ deploy:
     repo: "sfztools/sfizz"
     tags: true
     condition: ${TRAVIS_TAG} =~ ^v?[0-9]
-
-notifications:
-  irc:
-    channels:
-    - "ircs://chat.freenode.net:7070/#sfztools"
-
-    template:
-    - "[%{repository_name}:%{branch}] Build #%{build_number}: %{message}"
-    - "%{author} : %{commit_subject}"
-    - "Commit URL    : <https://github.com/%{repository_slug}/commit/%{commit}>"
-    - "Build Details : <%{build_url}>"