Travis: remove last Travis builds

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

.travis.yml

@@ -1,30 +0,0 @@
-
-
-matrix:
-  include:
-    - env: SUBSURFACE_PLATFORM='ios'
-      os: osx
-      osx_image: xcode9.3
-      language: c++
-
-    - env: SUBSURFACE_PLATFORM="android"
-      # Currently hard coded to arm
-      os: linux
-      language: c++
-      filter_secrets: false
-      services:
-          - docker
-
-before_install:
-    - source ${TRAVIS_BUILD_DIR}/scripts/${SUBSURFACE_PLATFORM}/before_install.sh
-
-script:
-    - source ${TRAVIS_BUILD_DIR}/scripts/${SUBSURFACE_PLATFORM}/travisbuild.sh
-
-after_success:
-    - source ${TRAVIS_BUILD_DIR}/scripts/${SUBSURFACE_PLATFORM}/after_success.sh
-
-branches:
-  only:
-    - master
-    - /^v\d+\.\d+(\.\d+)?$/