Remove travis

.travis.yml

@@ -1,45 +0,0 @@
-os:
-  - linux
-
-language: c
-
-cache:
-  directories:
-    - "$HOME/.nimble"
-    - "$HOME/.choosenim"
-
-addons:
-  firefox: "73.0"
-
-before_install:
-  - sudo apt-get -qq update
-  - sudo apt-get install autoconf libtool
-  - git clone -b 3.5.4 https://github.com/sass/libsass.git
-  - cd libsass
-  - autoreconf --force --install
-  - |
-      ./configure \
-        --disable-tests \
-        --disable-static \
-        --enable-shared \
-        --prefix=/usr
-  - sudo make -j5 install
-  - cd ..
-
-  - wget https://github.com/mozilla/geckodriver/releases/download/v0.26.0/geckodriver-v0.26.0-linux64.tar.gz
-  - mkdir geckodriver
-  - tar -xzf geckodriver-v0.26.0-linux64.tar.gz -C geckodriver
-  - export PATH=$PATH:$PWD/geckodriver
-
-install:
-  - export CHOOSENIM_CHOOSE_VERSION="stable"
-  - |
-      curl https://nim-lang.org/choosenim/init.sh -sSf > init.sh
-      sh init.sh -y
-  - export PATH=$HOME/.nimble/bin:$PATH
-  - nimble refresh -y
-
-script:
-  - export MOZ_HEADLESS=1
-  - nimble -y install
-  - nimble -y test