Hopefully the last cleanup

Author: jmwright

appveyor.yml

@@ -7,7 +7,6 @@ environment:
     matrix:
         - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
           MINICONDA_DIRNAME: C:\Miniconda38-x64
-          CONDA_SHELL: powershell
         - APPVEYOR_BUILD_WORKER_IMAGE: Ubuntu
           OS: Linux
         - APPVEYOR_BUILD_WORKER_IMAGE: macOS
@@ -27,10 +26,8 @@ install:
     - conda config --set always_yes yes --set changeps1 no
     - conda update -q conda
     - cmd: conda init cmd.exe
-    # - sh: conda init bash
     - conda env create -f environment.yml
-    - cmd: conda activate cadquery
-    - sh: conda activate cadquery
+    - conda activate cadquery
     - pip install git+https://github.com/CadQuery/[email protected]
 
 build: false