Remove linting from CircleCI - covered by Actions (#3140)

* Remove linting from CircleCI - covered by Actions

* Pin Sphinx version.

See breathe-doc/breathe#981

.circleci/config.yml

@@ -11,13 +11,6 @@ install-python-components: &install-python-components
     pip3 install git+https://github.com/FEniCS/ufl.git
     pip3 install git+https://github.com/FEniCS/ffcx.git
 
-ruff-isort-python-code: &ruff-isort-python-code
-  name: ruff checks on Python code
-  command: |
-    cd python/
-    ruff check .
-    ruff format --check .
-
 configure-cpp: &configure-cpp
   name: Configure (C++)
   command: mkdir -p build && cd build && cmake -G Ninja -DCMAKE_BUILD_TYPE=Developer ../cpp/
@@ -100,7 +93,6 @@ jobs:
     steps:
       - checkout
       - run: *install-python-components
-      - run: *ruff-isort-python-code
       - run: *configure-cpp
       - run: *build-install-cpp
 
@@ -130,7 +122,6 @@ jobs:
     steps:
       - checkout
       - run: *install-python-components
-      - run: *ruff-isort-python-code
       - run: *configure-cpp
       - run: *build-install-cpp
 

docker/Dockerfile.test-env

@@ -154,7 +154,7 @@ RUN if [ "$MPI" = "mpich" ]; then \
 #   documentation or run tests.
 RUN pip3 install --no-cache-dir --upgrade setuptools pip && \
     pip3 install --no-cache-dir cffi mpi4py numba numpy==${NUMPY_VERSION} scikit-build-core[pyproject] && \
-    pip3 install --no-cache-dir breathe clang-format cmakelang jupytext matplotlib mypy myst-parser nanobind==${NANOBIND_VERSION} pytest pytest-xdist ruff scipy sphinx sphinx_rtd_theme types-setuptools
+    pip3 install --no-cache-dir breathe clang-format cmakelang jupytext matplotlib mypy myst-parser nanobind==${NANOBIND_VERSION} pytest pytest-xdist ruff scipy sphinx==7.2.6 sphinx_rtd_theme types-setuptools
 
 # Install KaHIP
 RUN wget -nc --quiet https://github.com/kahip/kahip/archive/v${KAHIP_VERSION}.tar.gz && \