Remove github workflow

.github/workflows/deployment.yaml

-name: Deployment
-
-on:
-  push:
-    tags:
-      - '*'
-
-jobs:
-  publish-conda-package:
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v2
-
-    - name: Prepare
-      run: |
-        $CONDA/bin/conda install --quiet --yes conda-build anaconda-client conda-libmamba-solver
-        $CONDA/bin/conda config --append channels conda-forge
-        $CONDA/bin/conda config --set solver libmamba
-        $CONDA/bin/conda config --set anaconda_upload yes
-
-    - name: Build and upload
-      env:
-        ANACONDA_TOKEN: ${{ secrets.ANACONDA_TOKEN }}
-      run: |
-        $CONDA/bin/conda build --token $ANACONDA_TOKEN conda-recipe