remove 'dev' part of matrix since we don't need it anymore

.github/workflows/CI.yaml

@@ -28,9 +28,6 @@ jobs:
       matrix:
         python-version: ["3.9", "3.10", "3.11", "3.12"]
         openmm: ["8.0", "7.7", "8.1.2"]
-        include:
-          - openmm: "dev"
-            python-version: "3.10"
 
     env:
       OPENMM: ${{ matrix.openmm }}
@@ -46,21 +43,7 @@ jobs:
           df -h
           ulimit -a
 
-      - name: Setup micromamba dev
-        if: ${{ matrix.openmm == 'dev' }}
-        uses: mamba-org/setup-micromamba@v2
-        with:
-          environment-file: devtools/conda-envs/test_env.yaml
-          environment-name: test
-          channels: jaimergp/label/unsupported-cudatoolkit-shim,conda-forge/label/openmm_dev,conda-forge,openeye
-          channel-priority: flexible
-          create-args: >-
-            python==${{ matrix.python-version }}
-            openmmtools==0.23.0
-            openmm==8.0.0dev3
-
       - name: Setup micromamba
-        if: ${{ matrix.openmm != 'dev' }}
         uses: mamba-org/setup-micromamba@v2
         with:
           environment-file: devtools/conda-envs/test_env.yaml