Remove travis

.travis.yml

@@ -1,29 +0,0 @@
-language: csharp
-sudo: required
-dist: trusty
-env:
-  global:
-  - DOTNET_SKIP_FIRST_TIME_EXPERIENCE: true
-  - DOTNET_CLI_TELEMETRY_OPTOUT: 1
-addons:
-  apt:
-    packages:
-    - libunwind8
-mono: none
-os:
-- linux
-- osx
-osx_image: xcode9.3beta
-branches:
-  only:
-  - dev
-  - /^release\/.*$/
-  - /^(.*\/)?ci-.*$/
-before_install:
-- if test "$TRAVIS_OS_NAME" == "osx"; then brew update; brew install openssl nginx;
-  ln -s /usr/local/opt/openssl/lib/libcrypto.1.0.0.dylib /usr/local/lib/; ln -s /usr/local/opt/openssl/lib/libssl.1.0.0.dylib
-  /usr/local/lib/; else apt-get install nginx; fi
-install:
-- export PATH="$PATH:$HOME/nginxinstall/sbin/"
-script:
-- ./build.sh