Remove appveyor and travis config

.travis.yml

@@ -1,21 +0,0 @@
-language: rust
-
-rust:
-  - stable
-  - beta
-  - nightly
-
-cache: cargo
-
-matrix:
-  fast_finish: true
-  allow_failures:
-    - rust: nightly
-
-before_script:
-  - rustup component add rustfmt-preview
-
-script:
-  - if [ "$TRAVIS_RUST_VERSION" == "stable" ]; then make fmt; fi
-  - make build
-  - make test

appveyor.yml

@@ -1,19 +0,0 @@
-environment:
-  matrix:
-    # Stable channel
-    - TARGET: x86_64-pc-windows-gnu
-      CHANNEL: stable
-    - TARGET: x86_64-pc-windows-msvc
-      CHANNEL: stable
-
-install:
-  - curl -sSf -o rustup-init.exe https://win.rustup.rs
-  - rustup-init.exe --default-host %TARGET% --default-toolchain %CHANNEL% -y
-  - set PATH=%PATH%;C:\Users\appveyor\.cargo\bin
-  - rustc -Vv
-  - cargo -V
-
-build: false
-
-test_script:
-  - cargo build --no-default-features --features crossterm