Remove the xpython wheel CI tests for now

.github/workflows/wheel.yml

@@ -1,44 +0,0 @@
-name: Tests - Xeus-Python Wheel
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v2
-
-    - name: Install node
-      uses: actions/setup-node@v1
-      with:
-       node-version: '10.x'
-
-    - name: Install Python
-      uses: actions/setup-python@v1
-      with:
-        python-version: '3.8'
-
-    - name: Install the dependencies
-      run: python -m pip install xeus-python==0.7.1 "jupyterlab>=2,<3" "notebook>=6,<7" ptvsd
-
-    - name: Build and install the extension
-      run: |
-        jlpm && jlpm run build
-        jupyter labextension link .
-
-    - name: Install libgbm1 to fix puppeteer
-      run: sudo apt-get install libgbm1
-
-    - name: Browser check
-      run: python -m jupyterlab.browser_check
-
-    - name: Run the tests
-      run: |
-        export XEUS_LOG=1
-        alias xpython="python -m xpython_launcher"
-        jlpm run test