Try to trigger it again

Author: mrmundt

.github/workflows/test_branches.yml

@@ -322,30 +322,11 @@ jobs:
         conda config --remove channels defaults
         conda config --append channels nodefaults
         conda config --append channels conda-forge
-        # Try to install mamba
-        CONDA_VER=$(conda --version | cut -d\  -f2)
-        if test 23.10 = "`echo -e "23.10\n$CONDA_VER" | sort -V | tail -1`"; then
-            # Note: removed '--update-deps' on 2025-02-28 to work around
-            #       broken libffi(?)
-            conda install -q -y -n base conda-libmamba-solver \
-                || MAMBA_FAILED=1
-            if test -z "$MAMBA_FAILED"; then
-                echo "*** Activating the mamba environment solver ***"
-                conda config --set solver libmamba
-            fi
-        fi
-        # Add the rest of the channels
-        conda config --append channels gurobi
-        conda config --append channels ibmdecisionoptimization
-        conda config --append channels fico-xpress
         # Print environment info
         echo "*** CONDA environment: ***"
         conda info
         conda config --show-sources
         conda config --show channels
-        conda list --show-channel-urls
-        which python
-        python --version
         # We need setuptools so we can run Pyomo's setup.py
         conda install setuptools
         # Note: some pypi packages are not available through conda