remove travis and appveyor CI files (#732)

.appveyor.yml

@@ -1,19 +0,0 @@
-environment:
-  matrix:
-  - TARGET: x86_64-pc-windows-msvc
-  - TARGET: i686-pc-windows-msvc
-  - TARGET: x86_64-pc-windows-gnu
-    MINGW_PATH: 'C:\mingw-w64\x86_64-6.3.0-posix-seh-rt_v5-rev1\mingw64\bin'
-  - TARGET: i686-pc-windows-gnu
-    MINGW_PATH: 'C:\MinGW\bin'
-install:
-  - curl -sSf -o rustup-init.exe https://win.rustup.rs/
-  - rustup-init.exe -y --default-toolchain beta --default-host %TARGET%
-  - set PATH=%PATH%;C:\Users\appveyor\.cargo\bin
-  - if defined MINGW_PATH set PATH=%PATH%;%MINGW_PATH%
-  - rustc -vV
-  - cargo -vV
-build: false
-test_script:
-  - cargo test --features blocking,gzip,json -- --test-threads=1
-skip_branch_with_pr: true

.travis.yml

@@ -1,95 +0,0 @@
-language: rust
-matrix:
-    fast_finish: true
-    allow_failures:
-        - rust: nightly
-    include:
-        - os: osx
-          rust: stable
-
-        - rust: stable
-        - rust: beta
-        - rust: nightly
-
-        # Disable default-tls
-        - rust: stable
-          env: FEATURES="--no-default-features"
-
-        # rustls-tls
-        #- rust: stable
-        #  env: FEATURES="--no-default-features --features rustls-tls"
-
-        # default-tls and rustls-tls
-        #- rust: stable
-        #  env: FEATURES="--features rustls-tls"
-
-        # optional cookies
-        - rust: stable
-          env: FEATURES="--features cookies"
-
-        # optional blocking
-        - rust: stable
-          env: FEATURES="--features blocking"
-
-        # optional gzip
-        - rust: stable
-          env: FEATURES="--features gzip"
-
-        # optional json
-        - rust: stable
-          env: FEATURES="--features json"
-
-        # optional unstable-stream
-        - rust: stable
-          env: FEATURES="--features unstable-stream"
-
-
-
-        # socks
-        #- rust: stable
-        #  env: FEATURES="--features socks"
-
-        # trust-dns
-        #- rust: stable
-        #  env: FEATURES="--features trust-dns"
-
-        # wasm
-        - name: "WASM"
-          env: TARGET=wasm32-unknown-unknown
-          rust: stable
-          install: rustup target add "$TARGET"
-          script: cargo check --target "$TARGET"
-
-        # android
-        - rust: stable
-          env: TARGET=aarch64-linux-android
-          before_install:
-            - wget https://dl.google.com/android/repository/android-ndk-r19c-linux-x86_64.zip;
-            - unzip -qq android-ndk*.zip;
-            - android-ndk*/build/tools/make_standalone_toolchain.py --arch arm64 --api 21 --install-dir /tmp/android-toolchain;
-            - export PATH=/tmp/android-toolchain/bin:$PATH;
-          install: rustup target add "$TARGET"
-          # disable default-tls feature since cross-compiling openssl is dragons
-          script: cargo build --target "$TARGET" --no-default-features
-
-        # Check rustfmt
-        - name: "rustfmt check"
-          rust: stable
-          install: rustup component add rustfmt
-          script: cargo fmt -- --check
-
-
-        # minimum version
-        - rust: 1.39.0
-          script: cargo check
-
-sudo: false
-dist: trusty
-
-env:
-  global:
-    - REQWEST_TEST_BODY_FULL=1
-    - RUST_BACKTRACE=1
-script:
-  - cargo build $FEATURES
-  - cargo test -v $FEATURES --features __internal_proxy_sys_no_cache -- --test-threads=1