reset FEniCSx branches (#255)

Author: mscroggs

.github/workflows/fenicsx-tests.yml

@@ -34,14 +34,14 @@ jobs:
 
       - name: Install Basix
         run: |
-          python3 -m pip install git+https://github.com/FEniCS/basix.git@mscroggs/remove-gdim
+          python3 -m pip install git+https://github.com/FEniCS/basix.git
 
       - name: Clone FFCx
         uses: actions/checkout@v4
         with:
           path: ./ffcx
           repository: FEniCS/ffcx
-          ref: mscroggs/gdim
+          ref: main
 
       - name: Install FFCx
         run: |
@@ -69,15 +69,15 @@ jobs:
 
       - name: Install Basix and FFCx
         run: |
-          python3 -m pip install git+https://github.com/FEniCS/basix.git@mscroggs/remove-gdim
-          python3 -m pip install git+https://github.com/FEniCS/ffcx.git@mscroggs/gdim
+          python3 -m pip install git+https://github.com/FEniCS/basix.git
+          python3 -m pip install git+https://github.com/FEniCS/ffcx.git
 
       - name: Clone DOLFINx
         uses: actions/checkout@v4
         with:
           path: ./dolfinx
           repository: FEniCS/dolfinx
-          ref: mscroggs/gdim
+          ref: main
       - name: Install DOLFINx
         run: |
           cmake -G Ninja -DCMAKE_BUILD_TYPE=Developer -B build -S dolfinx/cpp/