Remove installation of build requirements from workflows, since they are already installed in the underlying docker images

Author: francesco-ballarin

.github/workflows/ccpp.yml

@@ -86,7 +86,6 @@ jobs:
           python3 -m isort --check .
       - name: mypy checks
         run: |
-          python3 -m pip install mypy types-setuptools --upgrade # TO REMOVE
           cd python/
           mypy dolfinx
           mypy demo
@@ -118,7 +117,6 @@ jobs:
 
       - name: Build C++ interface documentation
         run: |
-          python3 -m pip install breathe # TO REMOVE
           export DOLFINX_VERSION=`cmake -L build | grep DOXYGEN_DOLFINX_VERSION | cut -f2 -d "="`
           echo $DOLFINX_VERSION
           cd cpp/doc
@@ -147,11 +145,9 @@ jobs:
 
       - name: Build Python interface
         run: |
-          python3 -m pip install -r python/build-requirements.txt # TO REMOVE
           python3 -m pip -v install --check-build-dependencies --no-build-isolation python/
       - name: Build Python interface documentation
         run: |
-          python3 -m pip install sphinx==5.0.2 # TO REMOVE
           cd python/doc
           make html
 

.github/workflows/oneapi.yml

@@ -87,7 +87,6 @@ jobs:
       - name: Build DOLFINx Python interface
         run: |
           . /opt/intel/oneapi/setvars.sh
-          pip -v install -r python/build-requirements.txt # TO REMOVE
           pip -v install --check-build-dependencies --no-build-isolation python/
       - name: Set default DOLFINx JIT options
         run: |
@@ -96,7 +95,6 @@ jobs:
       - name: Run DOLFINx demos (Python, serial)
         run: |
           . /opt/intel/oneapi/setvars.sh
-          pip install matplotlib # TO REMOVE
           pytest -v -n=2 -m serial --durations=10 python/demo/test.py
       - name: Run DOLFINx demos (Python, MPI (np=2))
         run: |

.github/workflows/redhat.yml

@@ -64,7 +64,6 @@ jobs:
 
       - name: Build Python interface (editable install)
         run: |
-          python3 -m pip -v install -r python/build-requirements.txt # TO REMOVE
           python3 -m pip -v install --check-build-dependencies --no-build-isolation --config-settings=cmake.build-type=Debug --config-settings=build-dir="build" -e python/
 
       - name: Set default DOLFINx JIT options