Remove Windows CI job, which does nothing useful

Author: mlafeldt

.github/workflows/rust.yaml

@@ -104,24 +104,6 @@ jobs:
           DUCKDB_INCLUDE_DIR: ${{ github.workspace }}/libduckdb
           LD_LIBRARY_PATH: ${{ github.workspace }}/libduckdb
 
-  Windows:
-    name: Windows build from source
-    needs: test
-    runs-on: windows-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/cache@v3
-        with:
-          path: ~/.cargo/registry/index
-          key: index-${{ runner.os }}-${{ github.run_number }}
-          restore-keys: |
-            index-${{ runner.os }}-
-      - uses: actions-rust-lang/setup-rust-toolchain@v1
-        with:
-          target: x86_64-pc-windows-msvc
-
-      - run: cargo install cargo-examples
-
   Sanitizer:
     name: Address Sanitizer
     needs: test