Remove Linux from the build matrix

.travis.yml

@@ -13,33 +13,6 @@ matrix:
     - sudo swift utils/make-pkgconfig.swift
     script:
     - swift test
-  - os: linux
-    language: generic
-    sudo: required
-    dist: trusty
-    env:
-    - LLVM_API_VERSION=5.0
-    before_install:
-    - export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:"${PKG_CONFIG_PATH}"
-    - wget -O - http://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
-    - sudo apt-add-repository "deb http://apt.llvm.org/trusty/ llvm-toolchain-trusty-${LLVM_API_VERSION}
-      main"
-    - sudo apt-get update
-    - sudo apt-get install llvm-${LLVM_API_VERSION} libc++1
-    - sudo cp /usr/lib/x86_64-linux-gnu/libc++.so.1.0 /usr/lib/
-    - sudo ln -sf /usr/lib/libc++.so.1.0 /usr/lib/libc++.so
-    - sudo rm -rf /usr/local/clang-*/bin/llvm-config
-    - ls -l /usr/bin/llvm-config*
-    - sudo rm -f /usr/bin/llvm-config
-    - sudo ln -s /usr/bin/llvm-config-${LLVM_API_VERSION} /usr/bin/llvm-config
-    - wget -q -O - https://swift.org/keys/all-keys.asc | gpg --import -
-    - wget https://swift.org/builds/swift-4.0-release/ubuntu1404/swift-4.0-RELEASE/swift-4.0-RELEASE-ubuntu14.04.tar.gz
-    - tar xzf swift-4.0-RELEASE-ubuntu14.04.tar.gz
-    - export PATH=${PWD}/swift-4.0-RELEASE-ubuntu14.04/usr/bin:"${PATH}"
-    - sudo ./swift-4.0-RELEASE-ubuntu14.04/usr/bin/swift utils/make-pkgconfig.swift
-    script:
-    - git checkout tags/0.2.3
-    - swift test
 notifications:
   slack:
     secure: 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