Remove gRPC stubs for another package

.github/workflows/ci.yaml

@@ -50,13 +50,6 @@ jobs:
       - run: uv run poe test
         env:
           ASSERT_MARSHALER_IMPLEMENTATION: ${{ matrix.native-ext && 'native' || 'python' }}
-      # grpcio has no free-threaded wheels and there is no marker to exclude it
-      # If in the future they publish free-threaded wheels or uv supports a marker
-      # for it, we can merge this to the main task
-      - name: grpc tests
-        if: matrix.python-version != '3.14t'
-        run: |
-          uv run poe test-grpc
 
   test-pypy:
     name: ${{ matrix.os }} / ${{ matrix.python-version }}
@@ -89,8 +82,7 @@ jobs:
         with:
           version: "0.11.23"
           python-version: "3.10"
-      # grpc group so pyright/ty resolve grpc imports in the example and stub tests.
-      - run: uv sync --locked --all-groups
+      - run: uv sync --locked
       - run: uv run poe lint
       - run: uv run poe format
       - run: uv run poe generate

.github/workflows/release.yaml

@@ -188,10 +188,6 @@ jobs:
         run: uv build
         working-directory: packages/protoc-gen-py
 
-      - name: build protoc-gen-grpc-py
-        run: uv build
-        working-directory: packages/protoc-gen-grpc-py
-
       - name: publish all packages
         if: github.event_name != 'pull_request'
         uses: pypa/gh-action-pypi-publish@cef221092ed1bacb1cc03d23a2d87d1d172e277b # v1.14.0