[WIP] Remove old CI files

appveyor.yml

@@ -3,44 +3,14 @@ environment:
     PROJECT_NAME: rust-clippy
     RUST_BACKTRACE: 1
   matrix:
-    #- TARGET: i686-pc-windows-gnu
-    #- TARGET: i686-pc-windows-msvc
-    #- TARGET: x86_64-pc-windows-gnu
     - TARGET: x86_64-pc-windows-msvc
 
 branches:
-  # Only build AppVeyor on r+ and try branch
   only:
-    - auto
-    - try
-
-cache:
-  - '%USERPROFILE%\.cargo'
-# before cache
-after_test:
-  - cargo install cargo-cache --debug
-  - cargo cache --autoclean
-
-install:
-  - curl -sSf -o rustup-init.exe https://win.rustup.rs/
-  - rustup-init.exe -y --default-host %TARGET% --default-toolchain nightly --profile=minimal
-  - set PATH=%USERPROFILE%\.cargo\bin;%PATH%
-  - rustup component add rustfmt --toolchain nightly & exit 0 # Format test handles missing rustfmt
-  - del rust-toolchain
-  - cargo install rustup-toolchain-install-master
-  - rustup-toolchain-install-master -f -n master -c rustc-dev
-  - rustup override set master
-  - rustc -V
-  - cargo -V
-
-# Build settings, not to be confused with "before_build" and "after_build".
-build: false
+    - dummy_dummy_dummy
 
 build_script:
-  - cargo build --features deny-warnings
-
-test_script:
-  - cargo test --features deny-warnings
+  - echo "Dummy"
 
 notifications:
   - provider: Email