Update .appveyor.yml

Removing comments.

Keep the one commented line that disabled automatic updates of conda itself.

Author: weslleyspereira

.appveyor.yml

@@ -11,22 +11,13 @@ skip_commits:
 # Add [av skip] to commit messages
   message: /\[av skip\]/
 
-#cache:
-#  - '%APPVEYOR_BUILD_FOLDER%\build'
-
 environment:
   global:
     CONDA_INSTALL_LOCN: C:\\Miniconda37-x64
 
 install:
-#  - call %CONDA_INSTALL_LOCN%\Scripts\conda update --yes conda
   - call %CONDA_INSTALL_LOCN%\Scripts\activate.bat
 #  - conda config --set auto_update_conda false
-#  - conda install --yes conda=4.3.8 --force
-#  - conda install --yes -c conda-forge charset-normalizer=2.0.5 --force  
-#  - conda update --yes -n base conda
-#  - conda config --add channels conda-forge --force
-#  - conda clean --all --yes
   - conda install -c conda-forge --yes --quiet flang jom
   - call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" amd64
   - set "LIB=%CONDA_INSTALL_LOCN%\Library\lib;%LIB%"