Delete some cranelift CI already covered by wasmtime

cranelift/.github/workflows/main.yml

@@ -1,22 +1,4 @@
-name: CI
-on:
-  push:
-    branches: [master]
-  pull_request:
-    branches: [master]
-
 jobs:
-  rustfmt:
-    name: Rustfmt
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v1
-      with:
-        submodules: true
-    - name: Install Rust
-      run: rustup update stable && rustup default stable && rustup component add rustfmt
-    - run: cargo fmt -- --check
-
   docs:
     name: Build API Docs
     runs-on: ubuntu-latest
@@ -32,75 +14,6 @@ jobs:
     - run: find ./target/doc -maxdepth 1 -type d -name "cranelift*" | xargs -I{} cargo deadlinks --dir {}
       name: Run cargo-deadlinks
 
-  test:
-    name: Test
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        # first a list of everything we test...
-        name:
-        - windows-earliest
-        - linux-earliest
-        - mac-earliest
-        - stable
-        - beta
-        - nightly
-        - windows-release
-        - linux-release
-        - mac-release
-        # .. and then the actual configuration for each thing we test
-        include:
-        - name: windows-earliest
-          os: ubuntu-latest
-          rust: 1.37.0
-        - name: linux-earliest
-          os: ubuntu-16.04
-          rust: 1.37.0
-        - name: mac-earliest
-          os: macos-10.14
-          rust: 1.37.0
-        - name: stable
-          os: macos-latest
-          rust: stable
-        - name: beta
-          os: macos-latest
-          rust: beta
-        - name: nightly
-          os: macos-latest
-          rust: nightly
-        - name: mac-release
-          os: macos-latest
-          rust: stable
-          release: --release
-        - name: linux-release
-          os: ubuntu-latest
-          rust: stable
-          release: --release
-        - name: windows-release
-          os: windows-latest
-          rust: stable
-          release: --release
-    steps:
-    - uses: actions/checkout@v1
-      with:
-        submodules: true
-
-    - name: Install Rust (rustup)
-      run: rustup update ${{ matrix.rust }} --no-self-update && rustup default ${{ matrix.rust }}
-      if: "!startsWith(matrix.os, 'macos-')"
-      shell: bash
-    - name: Install Rust (macos)
-      run: |
-        curl https://sh.rustup.rs | sh -s -- -y --default-toolchain=${{ matrix.rust }}
-        echo ::add-path::$HOME/.cargo/bin
-      if: startsWith(matrix.os, 'macos-')
-
-    - run: cargo fetch
-    - run: cargo build ${{ matrix.release }}
-    - run: cargo test --all ${{ matrix.release }}
-      env:
-        RUST_BACKTRACE: 1
-
     # Ensure fuzzer works by running it with a single input
     - run: cargo install cargo-fuzz
       if: matrix.rust == 'nightly'