Remove unneeded webhook notification

Author: Darkspirit

.travis.yml

@@ -13,6 +13,3 @@ script:
   - if [ "$TRAVIS_RUST_VERSION" == "nightly" ]; then cargo test --features bench; fi
   - if [ "$TRAVIS_RUST_VERSION" == "nightly" ]; then cargo test --features "bench dummy_match_byte"; fi
   - cd macros && cargo build --verbose
-
-notifications:
-  webhooks: http://build.servo.org:54856/travis