remove github flow that causes errors

.github/workflows/rust.yml

@@ -1,51 +0,0 @@
-name: Rust
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
-
-env:
-  CARGO_TERM_COLOR: always
-
-jobs:
-  ci:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        rust:
-          - stable
-          - beta
-          - nightly
-        os:
-          - ubuntu-latest
-          - windows-latest
-          - macos-latest
-
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: ${{ matrix.rust }}
-          override: true
-          components: rustfmt, clippy
-
-      - uses: actions-rs/cargo@v1
-        with:
-          command: build
-          args: --features all --verbose
-      - uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --features all --verbose
-      - uses: actions-rs/cargo@v1
-        if: ${{ matrix.rust == 'nightly' && matrix.os == 'ubuntu-latest' }}
-        with:
-          command: fmt
-          args: --verbose --all -- --check
-      - uses: actions-rs/cargo@v1
-        with:
-          command: clippy
-          args: --features all -- -D warnings