Remove Travis notifications

I no longer need notifications of Travis builds. As nobody else is
listed in the notifications I'll just remove it entirely.

Author: jamesog

.travis.yml

@@ -36,11 +36,6 @@ script:
   # Only build binaries from the latest Go release.
   - if [ "${LATEST}" = "true" ]; then gox -os="linux darwin windows" -arch="amd64" -output="flarectl.{{.OS}}.{{.Arch}}" -ldflags "-X main.Rev=`git rev-parse --short HEAD`" -verbose ./...; fi
 
-notifications:
-  email:
-    recipients:
-      - jamesog@cloudflare.com
-
 # deploy:
 #   provider: releases
 #   skip_cleanup: true