Updating workflow to not setup rust outside the build script as it has no consequence inside the docker instance that builds

Author: andrewdavidsmith

.github/workflows/build_binary_for_release.yml

@@ -10,8 +10,6 @@ jobs:
     steps:
       - name: Checkout the repository
         uses: actions/checkout@master
-      - name: Setup
-        run: rustup update ${{ matrix.toolchain }} && rustup default ${{ matrix.toolchain }}
       - name: Generate the artifacts
         uses: skx/github-action-build@master
       - name: Upload the artifacts